Confidence:StrongSolidPlausibleTentativeSpeculative

• Voyage Home

  5WU

  SorceryUW

  Mox Tantalite is a free artifact, so Voyage Home's affinity cost drops the moment it is on the battlefield.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Mox Tantalite's tap activation.
• Formidable Speaker

  2G

  Creature — Elf 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.
• Refurbished Familiar

  3B

  Artifact Creature — Zombie RatB

  Mox Tantalite is a free artifact, so Refurbished Familiar's affinity cost drops the moment it is on the battlefield.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Mox Tantalite's tap activation.
• Emry, Lurker of the Loch

  2U

  Legendary Creature — Merfolk WizardU

  Mox Tantalite is a free artifact, so Emry, Lurker of the Loch's affinity cost drops the moment it is on the battlefield.
• Assert Authority

  5UU

  InstantU

  Mox Tantalite is a free artifact, so Assert Authority's affinity cost drops the moment it is on the battlefield.
• Thoughtcast

  4U

  SorceryU

  Mox Tantalite is a free artifact, so Thoughtcast's affinity cost drops the moment it is on the battlefield.
• Thought Monitor

  6U

  Artifact Creature — ConstructU

  Mox Tantalite is a free artifact, so Thought Monitor's affinity cost drops the moment it is on the battlefield.
• Chiss-Goria, Forge Tyrant

  6RRR

  Legendary Creature — DragonR

  Mox Tantalite is a free artifact, so Chiss-Goria, Forge Tyrant's affinity cost drops the moment it is on the battlefield.
• Voltaic Key

  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.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Mox Tantalite's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Mox Tantalite's tap activation.
• Sojourner's Companion

  7

  Artifact Creature — SalamanderC

  Mox Tantalite is a free artifact, so Sojourner's Companion's affinity cost drops the moment it is on the battlefield.
• Ethersworn Sphinx

  7WU

  Artifact Creature — SphinxUW

  Mox Tantalite is a free artifact, so Ethersworn Sphinx's affinity cost drops the moment it is on the battlefield.
• Manifold Key

  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.
• Imskir Iron-Eater

  6BR

  Legendary Creature — DemonBR

  Mox Tantalite is a free artifact, so Imskir Iron-Eater's affinity cost drops the moment it is on the battlefield.
• 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.
• Sonic Screwdriver

  3

  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.
• Krang, Master Mind

  6UU

  Legendary Artifact Creature — Utrom WarriorU

  Mox Tantalite is a free artifact, so Krang, Master Mind's affinity cost drops the moment it is on the battlefield.
• Memory Guardian

  4U

  Artifact Creature — Robot ArtificerU

  Mox Tantalite is a free artifact, so Memory Guardian's affinity cost drops the moment it is on the battlefield.
• Furnace Dragon

  6RRR

  Creature — DragonR

  Mox Tantalite is a free artifact, so Furnace Dragon's affinity cost drops the moment it is on the battlefield.
• Paradox Engine

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing Mox Tantalite's tap activation.
• Chromescale Drake

  6UUU

  Creature — DrakeU

  Mox Tantalite is a free artifact, so Chromescale Drake's affinity cost drops the moment it is on the battlefield.
• 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.