Restless Ridgeline: Lost Caverns of Ixalan

Restless Ridgeline enters the battlefield tapped. {T}: Add {R} or {G}. {2}{R}{G}: Restless Ridgeline becomes a 3/4 red and green Dinosaur creature until end of turn. It's still a land. Whenever Restless Ridgeline attacks, another target attacking creature gets +2/+0 until end of turn. Untap that creature.