Powerbalance
Enchantment
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, you may cast that card without paying its mana cost if the two spells have the same mana value.
Printings & Conditions (4)
Modern Horizons 3 (MH3)(Borderless) (Modern Horizons 3)#335Rare
Modern Horizons 3 (MH3)(Modern Horizons 3)#131Rare
Modern Horizons 3 (MH3)(Promos: Unique and Miscellaneous)#495P
Modern Horizons 3 Promos (PMH3)(Promos: Prerelease Cards)#131sRareOut of stock