Undercity Plague 83/249 (Gatecrash)

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.)

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50