Utopian Expanse

Utopian Expanse enters the battlefield
tapped.
{t}: Add {w} or {g}.
Pay 1 life, {t}: Add {r} or {u}.
Mana produced by Utopian Expanse can't
be spent to cast black spells.
"I was drawn to this plane, believing I had finally found a sanctum from hardship. But perfection always comes at a cost."-Enekra