Mental Vapors - Gatecrash - 72

Sorcery

Mana Cost: {3}{B}

Target player discards a card.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Uncommon · Gatecrash · #72 (GTC)

Illustrated by Mark Winters