Essence of the Mind

Whenever you draw a card, put the top card of your library into your graveyard, then you may
put a card from your graveyard one top of your library.
Delirium- As long as there are four or more card types among the cards in your library, Essence of the mind is a 4/4 creature in addition to its other types, and has "When this creature dies, return it to the battlefield, then exile all cards from your graveyard."
It's hard to fight someone while inside their mind, they make the rules and