Hand of the Praetors 66 (Scars of Mirrodin)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Other creatures you control with infect get +1/+1. Whenever you cast a creature spell with infect, target player gets a poison counter.

NM - $10.10
LP - $8.10
MP - $6.10
HP - $4.10
DMG - $2.00