Bites the Dust

Exile all permanents all opponents played the previous round. Gain life equal to the number of creatures in your opponents graveyard plus
3. Draw 4 cards and untap all lands under your control.
Target player (choose one):
•Loses X life
•Discards X cards
•Sacrifices X permanents
where X is the total power of Kosaku Kawajiri
& Killer Queen.