Tainted Strike 80 (Scars of Mirrodin)

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

NM - $6.90
LP - $5.50
MP - $4.10
HP - $2.80
DMG - $1.40