Name:Filth
ManaCost:3 B
Types:Creature Incarnation
PT:2/2
K:Swampwalk
S:Mode$ Continuous | Affected$ Creature.YouCtrl | EffectZone$ Graveyard | AddKeyword$ Swampwalk | CheckSVar$ X | SVarCompare$ GE1 | Description$ As long as CARDNAME is in your graveyard and you control a Swamp, creatures you control have swampwalk.
SVar:X:Count$Valid Swamp.YouCtrl
SVar:Picture:http://www.wizards.com/global/images/magic/general/filth.jpg
Oracle:Swampwalk\nAs long as Filth is in your graveyard and you control a Swamp, creatures you control have swampwalk.