Sludge, Dinobot calamity

Vigilance, reach, trample
When Snarl, Dinobot calamity enters the battlefield, if you cast it untap all
lands you control
{2}{r} Sludge deals 3 damage to target creature
{2}{g} Destroy target artifact or enchantment
{2}{w} You gain 3 life
{4}, Convert Sludge, Dinobot calamity to Sludge, Primal calamity