Name:Common Cause
ManaCost:2 W
Types:Enchantment
S:Mode$ Continuous | AffectedZone$ Battlefield | Affected$ Creature.nonArtifact | AddPower$ 2 | AddToughness$ 2 | CheckSVar$ X | SVarCompare$ EQY | References$ X,Y | Description$ Nonartifact creatures get +2/+2 as long as they all share a color.
SVar:X:Count$Valid Creature.nonArtifact+SharesColorWith MostProminentColor
SVar:Y:Count$Valid Creature.nonArtifact
SVar:RemRandomDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/common_cause.jpg
Oracle:Nonartifact creatures get +2/+2 as long as they all share a color.