Witchstalker 202/249 (Magic 2014 (M14))

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on this creature.

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