Odds are you won't make the modifications to a precon like I did above all at once
Chord of Calling was recently reprinted, and its a lot cheaper than Finale of Devastation
Deck Filters Azog, Moria's Ruin 11%inclusion 11%synergy 1 decks 9 decks The Great Goblin 11%inclusion 11%synergy 1 decks 9 decks Bolg of the North 3.4%inclusion 3%synergy 1 decks 29 decks Hidden Lair 3.2%inclusion -1%synergy 6 decks 186 decks Dark Fortress 2.2%inclusion -2%synergy 4 decks 186 decks High Synergy Cards Saruman, the White Hand 83%inclusion 76%synergy 634 decks 768 decks Barad-dr 81%inclusion 74%synergy 623 decks 768 decks Call of the Ring 79%inclusion 71%synergy 604 decks 768 decks Mauhr, Uruk-hai Captain 71%inclusion 66%synergy 547 decks 768 decks Orcish Siegemaster 65%inclusion 59%synergy 503 decks 768 decks Ringsight 66%inclusion 59%synergy 508 decks 768 decks The Black Gate 64%inclusion 56%synergy 494 decks 768 decks In the Darkness Bind Them 60%inclusion 54%synergy 461 decks 768 decks Sauron, Lord of the Rings 59%inclusion 54%synergy 455 decks 768 decks March from the Black Gate 58%inclusion 53%synergy 444 decks 768 decks Top Cards Blasphemous Act 61%inclusion 16%synergy 468 decks 768 decks Reanimate 58%inclusion 33%synergy 446 decks 768 decks Witch-king of Angmar 57%inclusion 51%synergy 437 decks 768 decks Saruman's Trickery 56%inclusion 51%synergy 431 decks 768 decks Gothmog, Morgul Lieutenant 54%inclusion 50%synergy 415 decks 768 decks Corsairs of Umbar 52%inclusion 47%synergy 400 decks 768 decks Nazgl 51%inclusion 46%synergy 394 decks 768 decks Orcish Medicine 51%inclusion 46%synergy 389 decks 768 decks Arcane Denial 51%inclusion 22%synergy 389 decks 768 decks Grishnkh, Brash Instigator 50%inclusion 46%synergy 387 decks 768 decks Game Changers Orcish Bowmasters 66%inclusion 48%synergy 507 decks 768 decks The One Ring 49%inclusion 37%synergy 380 decks 768 decks Notion Thief 29%inclusion 21%synergy 221 decks 768 decks Cyclonic Rift 16%inclusion -4%synergy 123 decks 768 decks Rhystic Study 13%inclusion -10%synergy 97 decks 768 decks Demonic Tutor 11%inclusion -10%synergy 83 decks 768 decks Fierce Guardianship 9.2%inclusion -10%synergy 71 decks 768 decks Ancient Tomb 8.7%inclusion -4%synergy 67 decks 768 decks Jeska's Will 6.1%inclusion -10%synergy 47 decks 768 decks Vampiric Tutor 5.9%inclusion -10%synergy 45 decks 768 decks Creatures Warg Rider 49%inclusion 46%synergy 379 decks 768 decks Moria Scavenger 48%inclusion 43%synergy 366 decks 768 decks Anger 46%inclusion 34%synergy 351 decks 768 decks Lord of the Nazgl 45%inclusion 40%synergy 348 decks 768 decks The Mouth of Sauron 42%inclusion 38%synergy 323 decks 768 decks Sauron, the Necromancer 36%inclusion 33%synergy 277 decks 768 decks The Balrog of Moria 33%inclusion 29%synergy 257 decks 768 decks Saruman the White 30%inclusion 28%synergy 233 decks 768 decks Nightscape Familiar 28%inclusion 2%synergy 218 decks 768 decks Wonder 27%inclusion 23%synergy 211 decks 768 decks Bilbo, Retired Burglar 27%inclusion 25%synergy 210 decks 768 decks Dunland Crebain 26%inclusion 24%synergy 199 decks 768 decks Cavern-Hoard Dragon 24%inclusion 20%synergy 183 decks 768 decks Grma, Saruman's Footman 23%inclusion 19%synergy 180 decks 768 decks Gollum, Patient Plotter 23%inclusion 21%synergy 180 decks 768 decks Archfiend of Ifnir 21%inclusion 15%synergy 165 decks 768 decks Lazotep Chancellor 21%inclusion 20%synergy 165 decks 768 decks Treasure Nabber 21%inclusion 17%synergy 160 decks 768 decks Gleaming Overseer 21%inclusion 19%synergy 158 decks 768 decks Uglk of the White Hand 19%inclusion 17%synergy 144 decks 768 decks Ringwraiths 19%inclusion 17%synergy 143 decks 768 decks Witch-king, Bringer of Ruin 16%inclusion 14%synergy 121 decks 768 decks Scourge of the Throne 15%inclusion 13%synergy 117 decks 768 decks Troll of Khazad-dm 15%inclusion 12%synergy 114 decks 768 decks Sauron, the Lidless Eye 15%inclusion 13%synergy 113 decks 768 decks Grma Wormtongue 15%inclusion 14%synergy 113 decks 768 decks Mirkwood Bats 14%inclusion 11%synergy 105 decks 768 decks Changeling Outcast 14%inclusion 9%synergy 105 decks 768 decks Witch-king, Sky Scourge 13%inclusion 12%synergy 102 decks 768 decks Eternal Skylord 13%inclusion 12%synergy 101 decks 768 decks The Balrog, Durin's Bane 12%inclusion 11%synergy 93 decks 768 decks Dreadhorde Twins 12%inclusion 11%synergy 89 decks 768 decks Oliphaunt 11%inclusion 10%synergy 86 decks 768 decks Gorbag of Minas Morgul 11%inclusion 10%synergy 85 decks 768 decks Gandalf, Friend of the Shire 10%inclusion 9%synergy 79 decks 768 decks Warbeast of Gorgoroth 10%inclusion 9%synergy 77 decks 768 decks Hostage Taker 10%inclusion 1%synergy 77 decks 768 decks Moria Marauder 10%inclusion 9%synergy 77 decks 768 decks Shelob, Dread Weaver 10%inclusion 8%synergy 75 decks 768 decks Easterling Vanguard 10%inclusion 9%synergy 73 decks 768 decks Sheoldred, the Apocalypse 9.4%inclusion 0%synergy 72 decks 768 decks Voracious Fell Beast 8.7%inclusion 8%synergy 67 decks 768 decks Mordor Trebuchet 8.3%inclusion 8%synergy 64 decks 768 decks Bone Miser 8.2%inclusion 3%synergy 63 decks 768 decks Merciless Executioner 8.2%inclusion 7%synergy 63 decks 768 decks Vizier of the Scorpion 8.1%inclusion 8%synergy 62 decks 768 decks Sheoldred, Whispering One 7.4%inclusion 4%synergy 57 decks 768 decks Grave Researcher 7.3%inclusion 5%synergy 24 decks 328 decks Taurean Mauler 7.2%inclusion 4%synergy 55 decks 768 decks Shagrat, Loot Bearer 6.9%inclusion 6%synergy 53 decks 768 decks Instants Sauron's Ransom 40%inclusion 36%synergy 307 decks 768 decks Dark Ritual 39%inclusion 1%synergy 296 decks 768 decks Counterspell 37%inclusion -8%synergy 282 decks 768 decks Lazotep Plating 34%inclusion 30%synergy 259 decks 768 decks Soothing of Smagol 26%inclusion 24%synergy 203 decks 768 decks Glorious Gale 23%inclusion 21%synergy 180 decks 768 decks Thrill of Possibility 23%inclusion 11%synergy 173 decks 768 decks An Offer You Can't Refuse 18%inclusion -13%synergy 138 decks 768 decks Chaos Warp 18%inclusion -17%synergy 137 decks 768 decks Consider 17%inclusion 11%synergy 133 decks 768 decks Swan Song 17%inclusion -3%synergy 129 decks 768 decks Terminate 15%inclusion -11%synergy 114 decks 768 decks Nasty End 14%inclusion 12%synergy 111 decks 768 decks Fact or Fiction 13%inclusion 7%synergy 102 decks 768 decks Mana Drain 13%inclusion -3%synergy 98 decks 768 decks Negate 12%inclusion -10%synergy 92 decks 768 decks Commence the Endgame 11%inclusion 10%synergy 88 decks 768 decks Deceive the Messenger 11%inclusion 10%synergy 84 decks 768 decks Deadly Rollick 11%inclusion -7%synergy 83 decks 768 decks Withering Torment 10%inclusion -3%synergy 75 decks 747 decks Frantic Search 10%inclusion -11%synergy 76 decks 768 decks Go for the Throat 10%inclusion 4%synergy 75 decks 768 decks Bitter Downfall 9.2%inclusion 8%synergy 71 decks 768 decks Deflecting Swat 9.2%inclusion -10%synergy 71 decks 768 decks Isildur's Fateful Strike 9.1%inclusion 8%synergy 70 decks 768 decks Forbidden Alchemy 9.0%inclusion 7%synergy 69 decks 768 decks Fling 8.5%inclusion 6%synergy 65 decks 768 decks Bedevil 8.2%inclusion -7%synergy 63 decks 768 decks Malakir Rebirth 7.2%inclusion 0%synergy 55 decks 768 decks Soul's Fire 6.8%inclusion 6%synergy 52 decks 768 decks Entomb 5.7%inclusion 0%synergy 44 decks 768 decks Fell the Profane 5.3%inclusion -3%synergy 41 decks 768 decks Brainstorm 5.3%inclusion -12%synergy 41 decks 768 decks Rakdos Charm 5.2%inclusion -9%synergy 40 decks 768 decks Sorceries Feed the Swarm 48%inclusion 20%synergy 367 decks 768 decks Summons of Saruman 47%inclusion 42%synergy 358 decks 768 decks Foray of Orcs 46%inclusion 42%synergy 357 decks 768 decks Treason of Isengard 45%inclusion 40%synergy 345 decks 768 decks Claim the Precious 43%inclusion 39%synergy 328 decks 768 decks Widespread Brutality 38%inclusion 35%synergy 293 decks 768 decks Faithless Looting 36%inclusion 16%synergy 274 decks 768 decks Living Death 33%inclusion 27%synergy 254 decks 768 decks Birthday Escape 28%inclusion 25%synergy 214 decks 768 decks Assault on Osgiliath 27%inclusion 25%synergy 211 decks 768 decks Too Greedily, Too Deep 25%inclusion 22%synergy 195 decks 768 decks Sam's Desperate Rescue 25%inclusion 23%synergy 192 decks 768 decks Toxic Deluge 25%inclusion 4%synergy 191 decks 768 decks Mordor Muster 24%inclusion 22%synergy 181 decks 768 decks Swarming of Moria 21%inclusion 19%synergy 163 decks 768 decks Surrounded by Orcs 21%inclusion 19%synergy 162 decks 768 decks Victimize 20%inclusion 11%synergy 150 decks 768 decks Extract from Darkness 19%inclusion 16%synergy 148 decks 768 decks Decree of Pain 18%inclusion 13%synergy 136 decks 768 decks Chandra's Ignition 18%inclusion 15%synergy 135 decks 768 decks Breaking of the Fellowship 12%inclusion 11%synergy 95 decks 768 decks Deep Analysis 12%inclusion 9%synergy 94 decks 768 decks Vandalblast 12%inclusion -5%synergy 93 decks 768 decks Wake the Dragon 12%inclusion 10%synergy 89 decks 768 decks Rise of the Dark Realms 11%inclusion 6%synergy 86 decks 768 decks Windfall 11%inclusion -13%synergy 81 decks 768 decks Languish 10%inclusion 8%synergy 79 decks 768 decks The Torment of Gollum 10%inclusion 9%synergy 74 decks 768 decks Enter the God-Eternals 10%inclusion 9%synergy 74 decks 768 decks Lidless Gaze 8.9%inclusion 7%synergy 68 decks 768 decks Invade the City 8.9%inclusion 8%synergy 68 decks 768 decks Shadow of the Enemy 8.7%inclusion 8%synergy 67 decks 768 decks Subjugate the Hobbits 7.7%inclusion 6%synergy 59 decks 768 decks Lash of the Balrog 7.0%inclusion 6%synergy 54 decks 768 decks Honor the God-Pharaoh 6.6%inclusion 6%synergy 51 decks 768 decks Ranger's Firebrand 6.5%inclusion 6%synergy 50 decks 768 decks Call Forth the Tempest 6.4%inclusion 5%synergy 49 decks 768 decks Boon of the Wish-Giver 6.4%inclusion 5%synergy 49 decks 768 decks Buried Alive 6.3%inclusion 2%synergy 48 decks 768 decks Callous Dismissal 5.9%inclusion 5%synergy 45 decks 768 decks Night's Whisper 5.7%inclusion 1%synergy 44 decks 768 decks Lrien Revealed 5.6%inclusion 3%synergy 43 decks 768 decks Isengard Unleashed 5.3%inclusion 5%synergy 41 decks 768 decks Diabolic Intent 5.1%inclusion -2%synergy 39 decks 768 decks Fire of Orthanc 5.1%inclusion 5%synergy 39 decks 768 decks Utility Artifacts Palantr of Orthanc 30%inclusion 26%synergy 229 decks 768 decks The Ozolith 25%inclusion 21%synergy 190 decks 768 decks Shadowspear 22%inclusion 19%synergy 170 decks 768 decks Mithril Coat 20%inclusion 15%synergy 155 decks 768 decks Nazgl Battle-Mace 19%inclusion 17%synergy 144 decks 768 decks Lightning Greaves 18%inclusion -12%synergy 135 decks 768 decks Swiftfoot Boots 13%inclusion -14%synergy 96 decks 768 decks Maskwood Nexus 12%inclusion 8%synergy 89 decks 768 decks Wayfarer's Bauble 9.1%inclusion -1%synergy 70 decks 768 decks The Reaver Cleaver 9.0%inclusion 6%synergy 69 decks 768 decks Grond, the Gatebreaker 8.7%inclusion 8%synergy 67 decks 768 decks Whispersilk Cloak 7.7%inclusion 3%synergy 59 decks 768 decks Jet Medallion 6.5%inclusion 4%synergy 50 decks 768 decks Monument to Endurance 6.3%inclusion -1%synergy 45 decks 714 decks Whip of Erebos 6.1%inclusion 1%synergy 47 decks 768 decks Enchantments One Ring to Rule Them All 43%inclusion 39%synergy 329 decks 768 decks Dreadhorde Invasion 39%inclusion 35%synergy 299 decks 768 decks Fall of Cair Andros 29%inclusion 27%synergy 224 decks 768 decks Book of Mazarbul 29%inclusion 27%synergy 223 decks 768 decks Fiery Inscription 25%inclusion 20%synergy 189 decks 768 decks There and Back Again 19%inclusion 17%synergy 145 decks 768 decks Black Market Connections 15%inclusion 2%synergy 115 decks 768 decks Spiteful Banditry 15%inclusion 13%synergy 115 decks 768 decks Animate Dead 14%inclusion 5%synergy 110 decks 768 decks Storm of Saruman 10%inclusion 9%synergy 80 decks 768 decks Mindless Conscription 9.1%inclusion 9%synergy 70 decks 768 decks Phyrexian Arena 8.9%inclusion -0%synergy 68 decks 768 decks Teferi's Ageless Insight 8.5%inclusion 6%synergy 65 decks 768 decks All Will Be One 7.9%inclusion 7%synergy 61 decks 768 decks Mystic Remora 7.2%inclusion -8%synergy 55 decks 768 decks Shiny Impetus 6.3%inclusion 4%synergy 48 decks 768 decks Revenge of Ravens 5.1%inclusion 4%synergy 39 decks 768 decks Propaganda 5.1%inclusion -10%synergy 39 decks 768 decks Scroll of Isildur 5.1%inclusion 5%synergy 39 decks 768 decks Planeswalkers Angrath, Captain of Chaos 12%inclusion 11%synergy 92 decks 768 decks Utility Lands Rogue's Passage 58%inclusion 36%synergy 448 decks 768 decks Minas Morgul, Dark Fortress 36%inclusion 31%synergy 275 decks 768 decks Mines of Moria 29%inclusion 26%synergy 223 decks 768 decks Bojuka Bog 27%inclusion 3%synergy 207 decks 768 decks Desolate Lighthouse 22%inclusion 16%synergy 170 decks 768 decks Rivendell 19%inclusion 17%synergy 149 decks 768 decks Urborg, Tomb of Yawgmoth 19%inclusion 5%synergy 146 decks 768 decks Field of Ruin 19%inclusion 16%synergy 145 decks 768 decks Reliquary Tower 12%inclusion -23%synergy 95 decks 768 decks Cabal Coffers 10%inclusion 6%synergy 80 decks 768 decks Great Hall of the Citadel 10%inclusion 9%synergy 76 decks 768 decks Command Beacon 5.9%inclusion 1%synergy 45 decks 768 decks Otawara, Soaring City 5.7%inclusion -10%synergy 44 decks 768 decks Takenuma, Abandoned Mire 5.2%inclusion 0%synergy 40 decks 768 decks Mana Artifacts Sol Ring 94%inclusion 4%synergy 723 decks 768 decks Arcane Signet 90%inclusion 2%synergy 691 decks 768 decks Relic of Sauron 78%inclusion 59%synergy 602 decks 768 decks Commander's Sphere 41%inclusion 23%synergy 316 decks 768 decks Talisman of Dominance 37%inclusion -13%synergy 285 decks 768 decks Inherited Envelope 36%inclusion 33%synergy 273 decks 768 decks Talisman of Indulgence 35%inclusion -9%synergy 270 decks 768 decks Dimir Signet 31%inclusion -3%synergy 237 decks 768 decks Talisman of Creativity 30%inclusion -15%synergy 228 decks 768 decks Rakdos Signet 29%inclusion -3%synergy 220 decks 768 decks Mind Stone 26%inclusion 14%synergy 202 decks 768 decks Fellwar Stone 24%inclusion -12%synergy 184 decks 768 decks Worn Powerstone 23%inclusion 18%synergy 177 decks 768 decks Izzet Signet 20%inclusion -11%synergy 157 decks 768 decks Chromatic Lantern 16%inclusion 3%synergy 125 decks 768 decks Phial of Galadriel 12%inclusion 11%synergy 91 decks 768 decks Everflowing Chalice 11%inclusion 8%synergy 86 decks 768 decks Basalt Monolith 7.8%inclusion 6%synergy 60 decks 768 decks Thought Vessel 6.8%inclusion -15%synergy 52 decks 768 decks Thran Dynamo 5.1%inclusion 1%synergy 39 decks 768 decks Lands Swamp 98%inclusion 6%synergy 755 decks 768 decks Island 97%inclusion 4%synergy 747 decks 768 decks Mountain 97%inclusion 5%synergy 742 decks 768 decks Command Tower 95%inclusion 3%synergy 727 decks 768 decks Dragonskull Summit 70%inclusion 24%synergy 539 decks 768 decks Crumbling Necropolis 70%inclusion 18%synergy 538 decks 768 decks Drowned Catacomb 64%inclusion 21%synergy 491 decks 768 decks Sulfur Falls 63%inclusion 15%synergy 482 decks 768 decks Smoldering Marsh 62%inclusion 24%synergy 477 decks 768 decks Sunken Hollow 62%inclusion 22%synergy 473 decks 768 decks Mount Doom 51%inclusion 45%synergy 394 decks 768 decks Sulfurous Springs 51%inclusion 23%synergy 394 decks 768 decks Underground River 49%inclusion 21%synergy 376 decks 768 decks Foreboding Ruins 43%inclusion 25%synergy 333 decks 768 decks Choked Estuary 42%inclusion 24%synergy 324 decks 768 decks Exotic Orchard 40%inclusion -16%synergy 310 decks 768 decks Frostboil Snarl 39%inclusion 24%synergy 298 decks 768 decks Path of Ancestry 38%inclusion 8%synergy 295 decks 768 decks Evolving Wilds 36%inclusion 13%synergy 275 decks 768 decks Watery Grave 34%inclusion -14%synergy 258 decks 768 decks Xander's Lounge 32%inclusion -7%synergy 249 decks 768 decks Blood Crypt 31%inclusion -16%synergy 236 decks 768 decks Terramorphic Expanse 30%inclusion 11%synergy 231 decks 768 decks Steam Vents 29%inclusion -17%synergy 224 decks 768 decks Bloodstained Mire 24%inclusion -11%synergy 185 decks 768 decks Polluted Delta 24%inclusion -11%synergy 182 decks 768 decks Luxury Suite 21%inclusion -11%synergy 160 decks 768 decks Morphic Pool 20%inclusion -11%synergy 157 decks 768 decks Scalding Tarn 20%inclusion -13%synergy 150 decks 768 decks Shipwreck Marsh 18%inclusion -6%synergy 139 decks 768 decks Training Center 18%inclusion -14%synergy 137 decks 768 decks Stormcarved Coast 18%inclusion -8%synergy 136 decks 768 decks Haunted Ridge 17%inclusion -4%synergy 132 decks 768 decks Seething Landscape 16%inclusion 0%synergy 124 decks 768 decks Shivan Reef 16%inclusion -14%synergy 123 decks 768 decks The Grey Havens 13%inclusion 12%synergy 100 decks 768 decks Reflecting Pool 10%inclusion 2%synergy 80 decks 768 decks Temple of Deceit 8.7%inclusion -3%synergy 67 decks 768 decks Myriad Landscape 8.7%inclusion 0%synergy 67 decks 768 decks Raucous Theater 8.5%inclusion -2%synergy 65 decks 768 decks Blazemire Verge 8.1%inclusion -1%synergy 61 decks 751 decks Temple of Malice 7.6%inclusion -3%synergy 58 decks 768 decks Undercity Sewers 7.4%inclusion -5%synergy 57 decks 768 decks Bloodfell Caves 7.4%inclusion 2%synergy 57 decks 768 decks Temple of Epiphany 7.4%inclusion -6%synergy 57 decks 768 decks Darkwater Catacombs 7.2%inclusion -4%synergy 55 decks 768 decks Malakir Rebirth 7.2%inclusion 0%synergy 55 decks 768 decks Dimir Aqueduct 7.0%inclusion -4%synergy 54 decks 768 decks Gloomlake Verge 6.9%inclusion -2%synergy 52 decks 750 decks Thundering Falls 6.9%inclusion -4%synergy 53 decks 768 decks
However, if it doesn't include one of these features, it's legal
