Confidence:StrongSolidPlausibleTentativeSpeculative

• Blight Mound

  2B

  EnchantmentB

  Both cards produce the same kind of effect (shared token subtype).
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Essenceknit Scholar

  BB/GG

  Creature — Dryad WarlockBG

  Both cards produce the same kind of effect (shared token subtype).
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Feral Appetite

  2G

  EnchantmentG

  Both cards produce the same kind of effect (shared token subtype).
• Paradox Engine

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Dramatic Reversal

  1U

  InstantU

  Dramatic Reversal untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Blinkmoth Infusion

  12UU

  InstantU

  Blinkmoth Infusion untaps all (or many) permanents, refreshing Pestilent Cauldron's tap activation.
• Professor Dellian Fel

  2BG

  Legendary Planeswalker — DellianBG

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Professor Dellian Fel's life-gain payoff.
• Valentin, Dean of the Vein // Lisette, Dean of the Root

  B2GG

  Legendary Creature — Vampire Warlock // Legendary Creature — Human DruidBG

  Both cards produce the same kind of effect (shared token subtype).
• Nazar, the Velvet Fang

  3B

  Legendary Creature — Vampire WarlockB

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Nazar, the Velvet Fang's life-gain payoff.
• Karlov of the Ghost Council

  WB

  Legendary Creature — Spirit AdvisorBW

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Karlov of the Ghost Council's life-gain payoff.
• Sedgemoor Witch

  2B

  Creature — Human WarlockB

  Both cards produce the same kind of effect (shared token subtype).
• Amalia Benavides Aguirre

  WB

  Legendary Creature — Vampire ScoutBW

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Amalia Benavides Aguirre's life-gain payoff.
• Trudge Garden

  2G

  EnchantmentG

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Trudge Garden's life-gain payoff.
• Resplendent Angel

  1WW

  Creature — AngelW

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Resplendent Angel's life-gain payoff.
• Murderous Betrayal

  BBB

  EnchantmentB

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Murderous Betrayal's life-gain payoff.
• Comforting Counsel

  1G

  EnchantmentG

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Comforting Counsel's life-gain payoff.
• Prize Pig

  1G

  Creature — BoarG

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Prize Pig's life-gain payoff.
• Starscape Cleric

  1B

  Creature — Bat ClericB

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Starscape Cleric's life-gain payoff.
• Qala, Ajani's Pridemate

  3W

  Legendary Creature — Cat WarriorW

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Qala, Ajani's Pridemate's life-gain payoff.
• Sorin of House Markov // Sorin, Ravenous Neonate

  1B

  Legendary Creature — Human Noble // Legendary Planeswalker — SorinBW

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Sorin of House Markov's life-gain payoff.
• Ocelot Pride

  W

  Creature — CatW

  Pestilent Cauldron gains life in big chunks or many small hits, fueling Ocelot Pride's life-gain payoff.