Mons Igneus

{t}: Add one {b} or {r}.
{2}{b}{r}, {t}: Each opponent discards a card, then
each opponent who didn't discard a nonland card
this way loses 3 life. Mons Ingeus doesn't untap
next untap phase.
Sacrifice two creatures: Untap Mons Igneus.
Only do this once per turn.