Confidence:StrongSolidPlausibleTentativeSpeculative

• Colorstorm Stallion

  1UR

  Creature — Elemental HorseRU

  Both cards produce the same kind of effect (shared token subtype).
• Omnath, Locus of Rage

  3RRGG

  Legendary Creature — ElementalGR

  Both cards produce the same kind of effect (shared token subtype).
• Magus of the Candelabra

  G

  Creature — Human WizardG

  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.
• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Chandra, Acolyte of Flame

  1RR

  Legendary Planeswalker — ChandraR

  Both cards produce the same kind of effect (shared token subtype).
• Valduk, Keeper of the Flame

  2R

  Legendary Creature — Human ShamanR

  Both cards produce the same kind of effect (shared token subtype).
• Lagomos, Hand of Hatred

  1BR

  Legendary Creature — Human ShamanBR

  Both cards produce the same kind of effect (shared token subtype).
• Candelabra of Tawnos

  1

  ArtifactC

  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.
• Titania, Nature's Force

  4GG

  Legendary Creature — ElementalG

  Both cards produce the same kind of effect (shared token subtype).
• Chandra, Flamecaller

  4RR

  Legendary Planeswalker — ChandraR

  Both cards produce the same kind of effect (shared token subtype).
• Saryth, the Viper's Fang

  2GG

  Legendary Creature — Human WarlockG

  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.
• Prophet of Kruphix

  3GU

  Creature — Human WizardGU

  Prophet of Kruphix untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Captain of the Mists

  2U

  Creature — Human WizardU

  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.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Wilderness Reclamation

  3G

  EnchantmentG

  Wilderness Reclamation untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Sword of Feast and Famine

  3

  Artifact — EquipmentC

  Sword of Feast and Famine untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Life of the Party

  3R

  Creature — ElementalR

  Both cards produce the same kind of effect (shared token subtype).
• Beledros Witherbloom

  5BG

  Legendary Creature — Elder DragonBG

  Beledros Witherbloom untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Zektar Shrine Expedition

  1R

  EnchantmentR

  Both cards produce the same kind of effect (shared token subtype).
• Akoum Stonewaker

  1R

  Creature — Human ShamanR

  Both cards produce the same kind of effect (shared token subtype).
• Hope Tender

  1G

  Creature — Human DruidG

  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.
• Nature's Will

  2GG

  EnchantmentG

  Nature's Will untaps all (or many) permanents, refreshing Grove of the Guardian's tap activation.
• Hearthcage Giant

  6RR

  Creature — Giant WarriorR

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