Name:Raging Ravine
ManaCost:no cost
Types:Land
K:CARDNAME enters the battlefield tapped.
A:AB$ Mana | Cost$ T | Produced$ R | SpellDescription$ Add {R} to your mana pool.
A:AB$ Mana | Cost$ T | Produced$ G | SpellDescription$ Add {G} to your mana pool.
A:AB$ Animate | Cost$ 2 R G | Defined$ Self | Power$ 3 | Toughness$ 3 | Types$ Creature,Elemental | Colors$ Red,Green | Triggers$ TrigAttack | SpellDescription$ Until end of turn, CARDNAME 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.
SVar:TrigAttack:Mode$ Attacks | ValidCard$ Creature.Self | Execute$ TrigPutCounter | TriggerDescription$ Whenever CARDNAME attacks, put a +1/+1 counter on it.
SVar:TrigPutCounter:AB$PutCounter | Cost$ 0 | Defined$ Self | CounterType$ P1P1 | CounterNum$ 1
SVar:Picture:http://www.wizards.com/global/images/magic/general/raging_ravine.jpg
Oracle:Raging Ravine enters the battlefield tapped.\n{T}: Add {R} or {G} to your mana pool.\n{2}{R}{G}: 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.