You can use this post to discuss the card raging ravine from worldwake

Source: WotC article And the Land Played On (Mark Rosewater) : Daily MTG : Magic: The Gathering



Raging Ravine
Land (Rare)
Raging Ravine enters the battlefield tapped.
T: Add R or G to your mana pool
2RG: Until end of turn, Raging Ravine becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.
Artist: Todd Lockwood