Shadow Slice GTC/77

Set: Gatecrash
Collector Code: GTC/77
Name: Shadow Slice
Type: Sorcery
Oracle text: 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.)
Rarity: Common