Confidence:StrongSolidPlausibleTentativeSpeculative

• Chevill, Bane of Monsters

  BG

  Legendary Creature — Human RogueBG

  Feast of Sanity produces damage that can kill creatures, enabling Chevill, Bane of Monsters's death-trigger or removal payoff.
• Minsc & Boo, Timeless Heroes

  2RG

  Legendary Planeswalker — MinscGR

  Feast of Sanity produces damage that can kill creatures, enabling Minsc & Boo, Timeless Heroes's death-trigger or removal payoff.
• Banon, the Returners' Leader

  RW

  Legendary Creature — Human Cleric RebelRW

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Basri, Tomorrow's Champion

  W

  Legendary Creature — Human KnightW

  Basri, Tomorrow's Champion has cycling, and Feast of Sanity pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• The Meathook Massacre

  XBB

  Legendary EnchantmentB

  Feast of Sanity produces damage that can kill creatures, enabling The Meathook Massacre's death-trigger or removal payoff.
• Mari, the Killing Quill

  1BB

  Legendary Creature — Vampire AssassinB

  Feast of Sanity produces damage that can kill creatures, enabling Mari, the Killing Quill's death-trigger or removal payoff.
• Unearth

  B

  SorceryB

  Unearth has cycling, and Feast of Sanity pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Quest for the Gravelord

  B

  EnchantmentB

  Feast of Sanity produces damage that can kill creatures, enabling Quest for the Gravelord's death-trigger or removal payoff.
• Gravecrawler

  B

  Creature — ZombieB

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Flame Blitz

  R

  EnchantmentR

  Flame Blitz has cycling, and Feast of Sanity pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Bequeathal

  G

  Enchantment — AuraG

  Feast of Sanity produces damage that can kill creatures, enabling Bequeathal's death-trigger or removal payoff.
• Kraven the Hunter

  1BG

  Legendary Creature — Human Warrior VillainBG

  Feast of Sanity produces damage that can kill creatures, enabling Kraven the Hunter's death-trigger or removal payoff.
• Undead Sprinter

  BR

  Creature — ZombieBR

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Toshiro Umezawa

  1BB

  Legendary Creature — Human SamuraiB

  Feast of Sanity produces damage that can kill creatures, enabling Toshiro Umezawa's death-trigger or removal payoff.
• Malicious Affliction

  BB

  InstantB

  Feast of Sanity produces damage that can kill creatures, enabling Malicious Affliction's death-trigger or removal payoff.
• Timeline Culler

  BB

  Creature — Drix WarlockB

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Jolted Awake

  W

  SorceryW

  Jolted Awake has cycling, and Feast of Sanity pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Enduring Renewal

  2WW

  EnchantmentW

  Feast of Sanity produces damage that can kill creatures, enabling Enduring Renewal's death-trigger or removal payoff.
• Glissa, the Traitor

  BGG

  Legendary Creature — Phyrexian Zombie ElfBG

  Feast of Sanity produces damage that can kill creatures, enabling Glissa, the Traitor's death-trigger or removal payoff.
• Decree of Annihilation

  8RR

  SorceryR

  Decree of Annihilation has cycling, and Feast of Sanity pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Vedalken Aethermage

  1U

  Creature — Vedalken WizardU

  Vedalken Aethermage has cycling, and Feast of Sanity pays off whenever a card is cycled — the Astral Slide / Lightning Rift engine shape.
• Liliana, Heretical Healer // Liliana, Defiant Necromancer

  1BB

  Legendary Creature — Human Cleric // Legendary Planeswalker — LilianaB

  Feast of Sanity produces damage that can kill creatures, enabling Liliana, Heretical Healer's death-trigger or removal payoff.
• Emeritus of Woe // Demonic Tutor

  3B1B

  Creature — Vampire Warlock // SorceryB

  Feast of Sanity produces damage that can kill creatures, enabling Emeritus of Woe's death-trigger or removal payoff.
• Skullclamp

  1

  Artifact — EquipmentC

  Feast of Sanity produces damage that can kill creatures, enabling Skullclamp's death-trigger or removal payoff.
• Lagomos, Hand of Hatred

  1BR

  Legendary Creature — Human ShamanBR

  Feast of Sanity produces damage that can kill creatures, enabling Lagomos, Hand of Hatred's death-trigger or removal payoff.