The Moon Lord

The Moon Lord enters the battlefield tapped
When The Moon Lord dies, return it to the battlefield tapped 4 times before it goes into the graveyard
Don't untap The Moon Lord until a Celestial
Pillar, or Lunatic Cultist enters the battlefield, or
if one is on the battlefield.
{w}{u}{g} search your library for a Celestial Pillar,
or Lunatic Cultist card.