Rath, destroyer of worlds

+3: Create two 2/1 red and black eldrazi creature tokens with devoid and create one 4/2 red and black eldrazi creature token with devoid.
-4: Exile all artifacts you don't control. If a card by the name of helvault were to be exiled this way, draw a card.
-20: Put one doom counter on all creatures you don't control, creatures with doom counters on them become tapped and have -8/-8.