Confidence:StrongSolidPlausibleTentativeSpeculative

• Helping Hand

  W

  SorceryW

  Helping Hand puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Reanimate

  B

  SorceryB

  Reanimate puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps lands, fueling Gamma Grotesque's mana-hungry effect.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps lands, fueling Gamma Grotesque's mana-hungry effect.
• Stinkweed Imp

  2B

  Creature — ImpB

  Gamma Grotesque draws a large number of cards, enabling Stinkweed Imp's draw-payoff or weaponized-draw effect.
• Kid Loki

  U

  Legendary Creature — God Hero VillainU

  Gamma Grotesque draws a large number of cards, enabling Kid Loki's draw-payoff or weaponized-draw effect.
• Toothy, Imaginary Friend

  3U

  Legendary Creature — IllusionU

  Gamma Grotesque draws a large number of cards, enabling Toothy, Imaginary Friend's draw-payoff or weaponized-draw effect.
• Time Spiral

  4UU

  SorceryU

  Time Spiral untaps lands, fueling Gamma Grotesque's mana-hungry effect.
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Red Ghost, Intangible Genius

  2UR

  Legendary Creature — Human Scientist VillainRU

  Gamma Grotesque draws a large number of cards, enabling Red Ghost, Intangible Genius's draw-payoff or weaponized-draw effect.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Sheoldred, the Apocalypse

  2BB

  Legendary Creature — Phyrexian PraetorB

  Gamma Grotesque draws a large number of cards, enabling Sheoldred, the Apocalypse's draw-payoff or weaponized-draw effect.
• Nissa, Vastwood Seer // Nissa, Sage Animist

  2G

  Legendary Creature — Elf Scout // Legendary Planeswalker — NissaG

  Nissa, Vastwood Seer untaps lands, fueling Gamma Grotesque's mana-hungry effect.
• Niv-Mizzet, Parun

  UUURRR

  Legendary Creature — Dragon WizardRU

  Gamma Grotesque draws a large number of cards, enabling Niv-Mizzet, Parun's draw-payoff or weaponized-draw effect.
• Resistance Is Futile

  1B

  SorceryB

  Resistance Is Futile puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Ob Nixilis Reignited

  3BB

  Legendary Planeswalker — NixilisB

  Gamma Grotesque draws a large number of cards, enabling Ob Nixilis Reignited's draw-payoff or weaponized-draw effect.
• Teferi, Hero of Dominaria

  3WU

  Legendary Planeswalker — TeferiUW

  Gamma Grotesque draws a large number of cards, enabling Teferi, Hero of Dominaria's draw-payoff or weaponized-draw effect.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Return Triumphant

  1W

  SorceryW

  Return Triumphant puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Jolrael, Mwonvuli Recluse

  1G

  Legendary Creature — Human DruidG

  Gamma Grotesque draws a large number of cards, enabling Jolrael, Mwonvuli Recluse's draw-payoff or weaponized-draw effect.
• Necroplasm

  1BB

  Creature — OozeB

  Gamma Grotesque draws a large number of cards, enabling Necroplasm's draw-payoff or weaponized-draw effect.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Gamma Grotesque onto the battlefield from a graveyard without casting it, so its mana cost is never paid.