Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• 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

  Valgavoth's Faithful 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

  Valgavoth's Faithful 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

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Phlage, Titan of Fire's Fury's enter-the-battlefield effect.
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Tinybones Joins Up's enter-the-battlefield effect.
• Spreading Plague

  4B

  EnchantmentB

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Spreading Plague's enter-the-battlefield effect.
• Season of Growth

  1G

  EnchantmentG

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

  1W

  Creature — Human DetectiveW

  Valgavoth's Faithful 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

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Bebop, Skull & Crossbones's enter-the-battlefield effect.
• Bruse Tarl, Roving Rancher

  2RW

  Legendary Creature — Human WarriorRW

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Bruse Tarl, Roving Rancher's enter-the-battlefield effect.
• Headliner Scarlett

  3R

  Legendary Creature — Human WarlockR

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Headliner Scarlett's enter-the-battlefield effect.
• Wildfire Devils

  3R

  Creature — DevilR

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

  3WW

  Creature — Elemental IncarnationW

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Solitude's enter-the-battlefield effect.
• Orcish Bowmasters

  1B

  Creature — Orc ArcherB

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Orcish Bowmasters's enter-the-battlefield effect.
• Thassa's Oracle

  UU

  Creature — Merfolk WizardU

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Thassa's Oracle's enter-the-battlefield effect.
• Regal Sliver

  3W

  Creature — SliverW

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Regal Sliver's enter-the-battlefield effect.
• Odric, Blood-Cursed

  1RW

  Legendary Creature — Vampire SoldierRW

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Odric, Blood-Cursed's enter-the-battlefield effect.
• Uro, Titan of Nature's Wrath

  1GU

  Legendary Creature — Elder GiantGU

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Uro, Titan of Nature's Wrath's enter-the-battlefield effect.
• Lightstall Inquisitor

  W

  Creature — Angel WizardW

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Lightstall Inquisitor's enter-the-battlefield effect.
• Floodpits Drowner

  1U

  Creature — MerfolkU

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Floodpits Drowner's enter-the-battlefield effect.
• Kiora, Master of the Depths

  2GU

  Legendary Planeswalker — KioraGU

  Valgavoth's Faithful returns creatures from the graveyard to the battlefield, re-firing Kiora, Master of the Depths's enter-the-battlefield effect.