Confidence:StrongSolidPlausibleTentativeSpeculative

• Faerie Mastermind

  1U

  Creature — Faerie RogueU

  Grothama, All-Devouring draws a large number of cards, enabling Faerie Mastermind's draw-payoff or weaponized-draw effect.
• Bruce Banner // The Incredible Hulk

  U2RRGG

  Legendary Creature — Human Scientist Hero // Legendary Creature — Gamma Berserker HeroGRU

  Bruce Banner grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Ral Zarek

  2UR

  Legendary Planeswalker — RalRU

  Ral Zarek grants an extra turn, enabling Grothama, All-Devouring's per-turn payoff.
• Ob Nixilis Reignited

  3BB

  Legendary Planeswalker — NixilisB

  Grothama, All-Devouring draws a large number of cards, enabling Ob Nixilis Reignited's draw-payoff or weaponized-draw effect.
• The Unagi of Kyoshi Island

  3UU

  Legendary Creature — SerpentU

  Grothama, All-Devouring draws a large number of cards, enabling The Unagi of Kyoshi Island's draw-payoff or weaponized-draw effect.
• All-Out Assault

  2RWB

  EnchantmentBRW

  All-Out Assault grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Aggravated Assault

  2R

  EnchantmentR

  Aggravated Assault grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Kami of the Crescent Moon

  UU

  Legendary Creature — SpiritU

  Grothama, All-Devouring draws a large number of cards, enabling Kami of the Crescent Moon's draw-payoff or weaponized-draw effect.
• Tataru Taru

  1W

  Legendary Creature — Dwarf AdvisorW

  Grothama, All-Devouring draws a large number of cards, enabling Tataru Taru's draw-payoff or weaponized-draw effect.
• Defacing Duskmage // Vandal's Edit

  WB1WB

  Creature — Dog Warlock // InstantBW

  Grothama, All-Devouring draws a large number of cards, enabling Defacing Duskmage's draw-payoff or weaponized-draw effect.
• Godo, Bandit Warlord

  5R

  Legendary Creature — Human BarbarianR

  Godo, Bandit Warlord grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• The Council of Four

  3WU

  Legendary Creature — Human NobleUW

  Grothama, All-Devouring draws a large number of cards, enabling The Council of Four's draw-payoff or weaponized-draw effect.
• Balthier and Fran

  1RG

  Legendary Creature — Human RabbitGR

  Balthier and Fran grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Zariel, Archduke of Avernus

  2RR

  Legendary Planeswalker — ZarielR

  Zariel, Archduke of Avernus grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Nekusar, the Mindrazer

  2UBR

  Legendary Creature — Zombie WizardBRU

  Grothama, All-Devouring draws a large number of cards, enabling Nekusar, the Mindrazer's draw-payoff or weaponized-draw effect.
• Fury of the Horde

  5RR

  SorceryR

  Fury of the Horde grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Fear of Missing Out

  1R

  Enchantment Creature — NightmareR

  Fear of Missing Out grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Starscream, Power Hungry // Starscream, Seeker Leader

  3B

  Legendary Artifact Creature — Robot // Legendary Artifact — VehicleB

  Grothama, All-Devouring draws a large number of cards, enabling Starscream, Power Hungry's draw-payoff or weaponized-draw effect.
• Waves of Aggression

  3R/WR/W

  SorceryRW

  Waves of Aggression grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Faerie Vandal

  1U

  Creature — Faerie RogueU

  Grothama, All-Devouring draws a large number of cards, enabling Faerie Vandal's draw-payoff or weaponized-draw effect.
• Relentless Assault

  2RR

  SorceryR

  Relentless Assault grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Najeela, the Blade-Blossom

  2R

  Legendary Creature — Human WarriorBGRUW

  Najeela, the Blade-Blossom grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.
• Combat Celebrant

  2R

  Creature — Human WarriorR

  Combat Celebrant grants an extra combat phase, enabling Grothama, All-Devouring's combat-trigger payoff.