Undercity Plague GTC/83

Set: Gatecrash
Collector Code: GTC/83
Finish: Regular

Name: Undercity Plague
Type: Sorcery
Oracle text: Target player loses 1 life, discards a card, then sacrifices a permanent of their choice. 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.)