Nebular Pillar

{t}: add {b} 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 in in your hand.