Heart of the Wild

As Heart of the Wild enters the battlefield,
choose a color. You may only use abilities of the
chosen color.
{w}: You gain 2 life.
{u}: Scry 1.
{b}: Target creature gets -0/-1 until end of turn.
{r}: Heart of the Wild deals 1 damage to any target.
{g}: Target creature gets +1/+0 until end of turn.
{t}, {2}: Choose a new color.