When Manic Scribe enters the battlefield, each opponent
mills (To mill a card, a player puts the top card of their library into their graveyard.) three cards.
Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player
mills (To mill a card, a player puts the top card of their library into their graveyard.) three cards.