Shadow Slice (GTC) #77 [EN/N]

{4}{B} · Sorcery · Target opponent loses 3 life. 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.) · Illustrated by Raymond Swanland · Gatecrash #77 · EDHREC rank 22301 · Magic: The Gathering, MTG