Fire Giant

Reach, Menace, Trample

When Fire Giant enters the battlefield, tap X land your opponent's control, where X is your devotion to red. Opponent's don't untap their land during their next turn.

The Fell God — {s}{s}{r}{r}, Sacrifice a creature: You become the Monarch. Fire Giant gains Mountainwalk, Forestwalk and Indestructible until the start of your next turn.

"O trifling giant, mayest thou tend thy flame
for eternity."