Mystical Plains

Mystical Plains enters the battlefield tapped.
{t}: Add {w} or {2}.
{t}, {w}: You gain 2 life.
{t}, {u}: Draw a card.
{t}, {b}: Destroy target creature with a combined
mana cost of 2 or less.
{t}, {r}: Deal 2 damage to any target.
{t}, {g}: Create a 1/3 Bison creature token with
trample. Tap it.