name=Golgari Keyrune
url=http://magiccards.info/rtr/en/229.html
image=http://mtgimage.com/card/golgari%20keyrune.jpg
value=3.278
rarity=U
type=Artifact
cost={3}
ability=tap add mana {B} or {G}
timing=artifact
requires_groovy_code