Confidence:StrongSolidPlausibleTentativeSpeculative

• Go-Shintai of Life's Origin

  3G

  Legendary Enchantment Creature — ShrineBGRUW

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Llanowar Druid

  1G

  Creature — Elf DruidG

  Refuel loop: one card's payoff untaps your lands, paying for the other's activation again — repeatable every turn, and often infinite.
• Dowsing Shaman

  4G

  Creature — Centaur ShamanG

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Ghen, Arcanum Weaver

  RWB

  Legendary Creature — Human WizardBRW

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Skull of Orm

  3

  ArtifactC

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Palinchron

  5UU

  Creature — IllusionU

  Refuel loop: one card's payoff untaps your lands, paying for the other's activation again — repeatable every turn, and often infinite.
• Peregrine Drake

  4U

  Creature — DrakeU

  Refuel loop: one card's payoff untaps your lands, paying for the other's activation again — repeatable every turn, and often infinite.
• Great Whale

  5UU

  Creature — WhaleU

  Refuel loop: one card's payoff untaps your lands, paying for the other's activation again — repeatable every turn, and often infinite.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• Agrus Kos, Spirit of Justice

  2RW

  Legendary Creature — Spirit DetectiveRW

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Agrus Kos, Spirit of Justice's enter-the-battlefield effect.
• Nicol Bolas, the Ravager // Nicol Bolas, the Arisen

  1UBR

  Legendary Creature — Elder Dragon // Legendary Planeswalker — BolasBRU

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Nicol Bolas, the Ravager's enter-the-battlefield effect.
• Phlage, Titan of Fire's Fury

  1RW

  Legendary Creature — Elder GiantRW

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Phlage, Titan of Fire's Fury's enter-the-battlefield effect.
• Shanid, Sleepers' Scourge

  1RWB

  Legendary Creature — Human KnightBRW

  Both cards trigger on landfall — they fire together.
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Tinybones Joins Up's enter-the-battlefield effect.
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Both cards trigger on landfall — they fire together.
• Season of Growth

  1G

  EnchantmentG

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Season of Growth's enter-the-battlefield effect.
• Serene Sleuth

  1W

  Creature — Human DetectiveW

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Serene Sleuth's enter-the-battlefield effect.
• Bebop, Skull & Crossbones

  1B

  Legendary Creature — Boar MutantB

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Bebop, Skull & Crossbones's enter-the-battlefield effect.
• Dragonback Assault

  3GUR

  EnchantmentGRU

  Both cards trigger on landfall — they fire together.
• Bruse Tarl, Roving Rancher

  2RW

  Legendary Creature — Human WarriorRW

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Bruse Tarl, Roving Rancher's enter-the-battlefield effect.
• Pia Nalaar, Consul of Revival

  RW

  Legendary Creature — Human ArtificerRW

  Both cards trigger on landfall — they fire together.
• Headliner Scarlett

  3R

  Legendary Creature — Human WarlockR

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Headliner Scarlett's enter-the-battlefield effect.
• The Lost and the Damned

  1UR

  EnchantmentRU

  Both cards trigger on landfall — they fire together.
• Wildfire Devils

  3R

  Creature — DevilR

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Wildfire Devils's enter-the-battlefield effect.
• Solitude

  3WW

  Creature — Elemental IncarnationW

  Quest for the Necropolis returns creatures from the graveyard to the battlefield, re-firing Solitude's enter-the-battlefield effect.