Name:Spreading Plague
ManaCost:4 B
Types:Enchantment
T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Creature | Execute$ TrigDestroy | TriggerZones$ Battlefield | TriggerDescription$ Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated.
SVar:TrigDestroy:AB$ DestroyAll | Cost$ 0 | ValidCards$ Triggered.SharesColorWith+Creature+Other | NoRegen$ True
SVar:RemRandomDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/spreading_plague.jpg
Oracle:Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated.