All-Consuming Oni of Chaos

Trample, deathtouch, double strike
{w}{u}{b}{r}{g}, {t}: Destroy all other creatures. If 5
or more creatures you control are destroyed this way draw a card. If 5 or more creatures of any opponent's control are destroyed, each opponent discards a card. All-Consuming Oni of Chaos doesn't untap at your next untap step.
Sacrifice a land: Scry 3.