The Throne of Death mills a card each upkeep, and can also draw cards on its own
However, Arceus's " Starbirth " - which allows players to pick two cards from their deck and then shuffle - is an incredibly strong ability

Synthoids Abdel Adrian, Gorion's Ward Ad Nauseam Adaptive Sporesinger Adventurer's Airship Aerial Formation Aetherborn Marauder Aetherflux Conduit Aethersphere Harvester Aetherwing, Golden-Scale Flagship Agadeem's Awakening Agent Frank Horrigan Air Response Unit Ajani's Presence Ajani, Outland Chaperone Alacrian Jaguar Amethyst Dragon Amethyst Dragon Aminatou, Veil Piercer Ancestral Knowledge Ancient Brass Dragon Angel of Salvation Angelic Aberration Another Round Ao, the Dawn Sky Apex Hawks Apocalypse Runner Appa, Steadfast Guardian April O'Neil, Kunoichi Trainee Aradara Express Arc Lightning Arc Mage Arcane Bombardment Arco-Flagellant Ardenn, Intrepid Archaeologist Armed and Armored Armory Automaton Arrow Volley Trap Arsenal Thresher Artisan's Sorrow Atlantis Attacks Atomize Atraxa, Praetors' Voice Augury Owl Augusta, Dean of Order Aurelia's Fury Aurora Awakener Autarch Mammoth Automatic Librarian Avacyn's Judgment Avatar of Hope Awaken the Blood Avatar Ayesha Tanaka, Armorer Balamb Garden, Airborne Ballista Charger Baron Helmut Zemo Barrel Down Sokenzan Batroc the Leaper Battalion Foot Soldier Battle for Bretagard Battlefield Improvisation Beast Mode Beatrix, Loyal General Berserker's Frenzy Bespoke Battlewagon Bessie, the Doctor's Roadster Better Than One Biblioplex Kraken Big Wheel Bilbo, Birthday Celebrant Bioshift Black Mana Battery

Urianger Augurelt* When you want a faux-card game in your card game Urianger is there as an option for blue/white exile casting decks and working well with mechanics like Foretell and Plot, though the bonus of 2 life is meager as a payoff