Name:Witchstalker
ManaCost:1 G G
Types:Creature Wolf
PT:3/3
K:Hexproof
T:Mode$ SpellCast | ValidCard$ Card.Blue,Card.Black | ValidActivatingPlayer$ Player.Opponent | TriggerZones$ Battlefield | PlayerTurn$ True | Execute$ TrigPutCounter | TriggerDescription$ Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on CARDNAME.
SVar:TrigPutCounter:AB$ PutCounter | Cost$ 0 | Defined$ Self | CounterType$ P1P1 | CounterNum$ 1
SVar:Picture:http://www.wizards.com/global/images/magic/general/witchstalker.jpg
Oracle:Hexproof (This creature can't be the target of spells or abilities your opponents control.)\nWhenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on Witchstalker.