Gruul Keyrune
- Color: Colorless
- Type: Artifact
- Rarity: Uncommon
- Set: Gatecrash
[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.