Name:Woodlurker Mimic
ManaCost:1 BG
Types:Creature Shapeshifter
PT:2/1
T:Mode$ SpellCast | ValidCard$ Card.Black+Green | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigAnimate | TriggerDescription$ Whenever you cast a spell that's both black and green, CARDNAME has base power and toughness 4/5 until end of turn and gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)
SVar:TrigAnimate:AB$Animate | Cost$ 0 | Defined$ Self | Power$ 4 | Toughness$ 5 | Keywords$ Wither
SVar:BuffedBy:Card.Black+Green
SVar:Picture:http://www.wizards.com/global/images/magic/general/woodlurker_mimic.jpg
Oracle:Whenever you cast a spell that's both black and green, Woodlurker Mimic has base power and toughness 4/5 until end of turn and gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.)