Mindwrack Demon 
Creature — Demon
Flying, trample When this creature enters, mill four cards. Delirium — At the beginning of your upkeep, you lose 4 life unless there are four or more card types among cards in your graveyard.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL