Name:Vigorspore Wurm
ManaCost:5 G
Types:Creature Wurm
PT:6/4
S:Mode$ MinMaxBlocker | ValidCard$ Card.Self | Max$ 1 | Description$ CARDNAME can't be blocked by more than one creature.
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigPump | TriggerDescription$ Undergrowth — When CARDNAME enters, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.
SVar:TrigPump:DB$ Pump | ValidTgts$ Creature | NumAtt$ +X | NumDef$ +X | KW$ Vigilance
SVar:X:Count$ValidGraveyard Creature.YouOwn
SVar:PlayMain1:TRUE
Oracle:Undergrowth — When Vigorspore Wurm enters, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.\nVigorspore Wurm can't be blocked by more than one creature.
