Crazed Fire

Enchant {g} land.
The enchanted land is now a {r} land and an enchantment creature with the following effects:
Defender
{r}: Crazed Fire gains +1/-1 until end of turn.
{t}: Add {r} to your mana pool.
If your opponent has any {g} mana, Crazed Fire
can attack as if it didn't have defender.