Visions of Annihilation

Convoke. Buyback - Pay X+1 life.
Until end of turn, if a card would be put into any graveyard, exile it. Deal X+2 damage to target creature or player, then each player draws X cards and discards X cards at random.
"Even now, the Annihilation Pulse still echoes through the Dreamlands. How much longer must I suffer for your sins?"
- Silex, to Lumi