Confidence:StrongSolidPlausibleTentativeSpeculative

• 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 Drowner of Truth's tap activation.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps all (or many) permanents, refreshing Drowner of Truth's tap activation.
• 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.
• Exalted Sunborn

  3WW

  Creature — Angel WizardW

  One card multiplies the tokens the other creates — a token doubler pointed at a steady token source.
• 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 Drowner of Truth's tap activation.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps all (or many) permanents, refreshing Drowner of Truth'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 Drowner of Truth's tap activation.
• Wilderness Reclamation

  3G

  EnchantmentG

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

  3

  Artifact — EquipmentC

  Sword of Feast and Famine untaps all (or many) permanents, refreshing Drowner of Truth's tap activation.
• Extricator of Sin // Extricator of Flesh

  2W

  Creature — Human Cleric // Creature — Eldrazi HorrorW

  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 Drowner of Truth's tap activation.
• 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.
• Trickster Mage

  U

  Creature — Human SpellshaperU

  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 Drowner of Truth's tap activation.
• Drowner of Hope

  5U

  Creature — EldraziU

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

  1U

  Creature — Moonfolk 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.
• Elder Druid

  3G

  Creature — Elf Cleric 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.
• Silvanus's Invoker

  2G

  Creature — Dragon 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.
• Writhing Chrysalis

  2RG

  Creature — Eldrazi DroneGR

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

  2GG

  EnchantmentG

  Awakening untaps all (or many) permanents, refreshing Drowner of Truth's tap activation.
• Spawn-Gang Commander

  3RR

  Creature — Eldrazi GoblinR

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

  4GG

  Creature — ElementalG

  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.