Doomsday Excruciator

Doomsday Excruciator

Creature - Demon | Power/Toughness: 6 / 6 (CMC 6)
Flying
When Doomsday Excruciator enters, if it was cast, each player exiles all but the bottom six cards of their library face down.
At the beginning of your upkeep, draw a card.