Stardust Pillar

{t}: add {u} to your mana pool.
When you control all four pillars, you may sacrifice them. If you do so, search your library and/or your graveyard for a card named The Moonlord and put it on the battlefield tapped.
cycling{1}: discard this card. Then search your library for a card named The Lunatic Cultist, reveal it and put it in your hand.