Shixa, The Burning Forest

Shixa, The Burning Forest enters play tapped.
{t}: Add a {r} or a {g} to your mana pool.
{1}{r/g}{r/g}: Shixa, The Burning Forest becomes a
2/1 with Trample and First Strike until end of
turn, it is still a land.
All but the hottest creatures will burn here.