Requires

Cavalier of Night must be in exile. Paleontologist's Pick-Axe // Dinosaur Headdress must be on the battlefield. Priest of Gix must be on the battlefield. Altar of Dementia must be on the battlefield. Paleontologist's Pick-Axe on the battlefield as Dinosaur Headdress. Cavalier of Night exiled by Dinosaur Headdress. Mana needed:

Steps

1. Activate Dinosaur Headdress' equip ability by paying , attaching it to Priest of Gix and causing Priest of Gix to become a copy of Cavalier of Night.
2. Activate Altar of Dementia by sacrificing Priest of Gix.
3. When Priest of Gix dies, its second ability triggers, returning itself from your graveyard to the battlefield.
4. When Priest of Gix enters the battlefield, it triggers, adding .
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Priest of Gix's power.
6. Repeat.

Results