Flusterstorm 255 (Buy-A-Box Promos)

Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

NM - $12.80
LP - $10.30
MP - $7.70
HP - $5.20
DMG - $2.60