Sword of the Ages [Legends] Hydra Dog you can Special Summon 1

you can Special Summon 1 of those monsters to your field

Set: Speed Duel: Battle City Box Card type: Effect Monster Rarity: Common Attack: 3500 Defense: 3850 Cannot be Normal Summoned/Set

Special Summon up to 2 monsters from your hand to your opponent's side of the field in Defense Position

Set: Saviors of Kamigawa Type: Sorcery Rarity: Uncommon Cost: {3}{G} Search your library for up to three basic land cards

Sword of the Ages [Legends] Hydra Dog you can Special Summon 1Set: Legends Type: Artifact Rarity: Rare Cost: {6} Sword of the Ages enters the battlefield tapped. {T}, Sacrifice Sword of the Ages and any number of creatures you control: Sword of the Ages deals X damage to any target, where X is the total power of the creatures sacrificed this way, then exile Sword of the Ages and those creature cards.