Drakos, Sensei Of Satan

When Drakos, Sensei Of Satan enters the battlefield, if you don't pay 10 life, sacrafice
it immeadiately
When Drakos, Sensei Of Satan enters the battlefield, each opponent mills 12 cards
Whenever a creature enters any graveyard or exile, return it to the battlefield tapped
under your control, its original controller
loses 1 life