Zacama, Primal Calamity

Vigilance, Reach, Trample, Indestructible
When Zacama, Primal Calamity enters the battlefield, if you cast it, untap all lands.
{2}{r} Zacama deals 5 damage to Target creature.
{2}{g} Destroy target artifact or enchantment.
{2}{w} You gain 5 life.