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Furnace Reins
Sorcery
Gain control of target creature until end of turn. Untap that creature. Until end of turn, it gains haste and "Whenever this creature deals combat damage to a player or battle, create a Treasure token." (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
uncommon · #141 · mom
Previewed: March 31 · Spoiled by Lords of Limited