Magic The Gathering Gatecrash Spoiler - Gruul Keyrune

Magic The Gathering Gatecrash Spoiler - Gruul Keyrune - Uncommon - #230/249 

Artifact

{T}: Add {R} or {G} to your mana pool.

{R}{G}: Gruul Keyrune becomes a 3/2 red and green Beast artifact creature with trample until end of turn.

As perilous and unpredictable as the wilds themselves.

Illustrator: Daniel Ljunggren 
Source: WOTC