Phyrexian Hydra 85/155 (Mirrodin Besieged)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) If damage would be dealt to this creature, prevent that damage. Put a -1/-1 counter on this creature for each 1 damage prevented this way.

NM - $1.80
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50