15 more formats
Confidence:StrongSolidPlausibleTentativeSpeculative
- 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.
- Legendary Creature — Merfolk WizardU
Great Furnace is a free artifact, so Emry, Lurker of the Loch's affinity cost drops the moment it is on the battlefield.
- Creature — Centaur DetectiveG
Innocuous Researcher untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- SorceryR
Fiery Gambit untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- 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.
- 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.
- 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.
- Creature — Human WizardGU
Prophet of Kruphix untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- Legendary Creature — Human Noble AllyGR
Bumi, Unleashed untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- 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.
- 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.
- 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.
- 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.
- Creature — SpiritG
Seedborn Muse untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- 5WUSorceryUW
Great Furnace is a free artifact, so Voyage Home's affinity cost drops the moment it is on the battlefield.
- Legendary Creature — DragonR
Great Furnace is a free artifact, so Chiss-Goria, Forge Tyrant's affinity cost drops the moment it is on the battlefield.
- ArtifactC
Unwinding Clock untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- EnchantmentG
Wilderness Reclamation untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- Artifact — EquipmentC
Sword of Feast and Famine untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- Artifact Creature — Zombie RatB
Great Furnace is a free artifact, so Refurbished Familiar's affinity cost drops the moment it is on the battlefield.
- Legendary Creature — Elder DragonBG
Beledros Witherbloom untaps all (or many) permanents, refreshing Great Furnace's tap activation.
- InstantU
Great Furnace is a free artifact, so Assert Authority's affinity cost drops the moment it is on the battlefield.
- SorceryU
Great Furnace is a free artifact, so Thoughtcast's affinity cost drops the moment it is on the battlefield.
- 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.
- EnchantmentG
Nature's Will untaps all (or many) permanents, refreshing Great Furnace's tap activation.
TundraLand — Plains IslandUW
Tropical IslandLand — Forest IslandGU
Tournament GroundsLandBRW
Tree of TalesArtifact LandG
Seat of the SynodArtifact LandU
Ancient DenArtifact LandW
Vault of WhispersArtifact LandB
Tolarian AcademyLegendary LandU
Gaea's CradleLegendary LandG
Serra's SanctumLegendary LandW
IslandBasic Land — IslandU
MountainBasic Land — MountainR