Confidence:StrongSolidPlausibleTentativeSpeculative

• Demonic Covenant

  4BB

  Kindred Enchantment — DemonB

  Both cards produce the same kind of effect (shared token subtype).
• Swords to Plowshares

  W

  InstantW

  Swords to Plowshares gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Emeritus of Truce // Swords to Plowshares

  1WWW

  Creature — Cat Cleric // InstantW

  Emeritus of Truce gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Elemental Spectacle

  5G

  SorceryG

  Elemental Spectacle gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Eriette of the Charmed Apple

  1WB

  Legendary Creature — Human WarlockBW

  Eriette of the Charmed Apple gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Kaya's Wrath

  WWBB

  SorceryBW

  Kaya's Wrath gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Solitude

  3WW

  Creature — Elemental IncarnationW

  Solitude gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Omnath, Locus of Creation

  RGWU

  Legendary Creature — ElementalGRUW

  Omnath, Locus of Creation gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Promise of Power

  2BBB

  SorceryB

  Both cards produce the same kind of effect (shared token subtype).
• Huatli, Warrior Poet

  3RW

  Legendary Planeswalker — HuatliRW

  Huatli, Warrior Poet gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Mayael's Aria

  RGW

  EnchantmentGRW

  Mayael's Aria gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Avenge

  4WW

  SorceryW

  Avenge gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Reanimate

  B

  SorceryB

  Reanimate puts Tivash, Gloom Summoner onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Arabella, Abandoned Doll

  RW

  Legendary Artifact Creature — ToyRW

  Arabella, Abandoned Doll gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Great Unclean One

  4B

  Creature — DemonB

  Both cards produce the same kind of effect (shared token subtype).
• Avatar Aang // Aang, Master of Elements

  RGWU

  Legendary Creature — Human Avatar Ally // Legendary Creature — Avatar AllyBGRUW

  Avatar Aang gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Inspired Ultimatum

  UURRRWW

  SorceryRUW

  Inspired Ultimatum gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Fumigate

  3WW

  SorceryW

  Fumigate gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Clavileño, First of the Blessed

  1WB

  Legendary Creature — Vampire ClericBW

  Both cards produce the same kind of effect (shared token subtype).
• Captain Marvel, Shooting Star

  5WW

  Legendary Creature — Human Kree HeroW

  Captain Marvel, Shooting Star gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Lifestream's Blessing

  4GG

  InstantG

  Lifestream's Blessing gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Tivash, Gloom Summoner onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Thomil, the Destroyer

  3BB

  Legendary Planeswalker — ThomilB

  Both cards produce the same kind of effect (shared token subtype).
• Inquisitor Eisenhorn

  2UB

  Legendary Creature — Human InquisitorBU

  Both cards produce the same kind of effect (shared token subtype).
• Garruk, Apex Predator

  5BG

  Legendary Planeswalker — GarrukBG

  Garruk, Apex Predator gains life in big chunks or many small hits, fueling Tivash, Gloom Summoner's life-gain payoff.