Unn's Garden

Unn's Garden enters the battlefield tapped.
When Unn's Garden enters the battlefield,
sacrifice a Forest.
{t}: Add {g}
{g}, {t}: Add one mana of any color. Untap a
tapped creature opponent controls.
If Unn's Garden is untapped, you have
Hexproof. (You can't be the target of spells
or abilities your opponents control.)