MTG >Combos >Mortuary +Bolas's Citadel +Ugin's Conjurant +

Cast Ugin's Conjurant with X=0 Ugin's Conjurant will enter the battlefield as a 0/0 creature and die. Mortuary will put it back on top of your deck Pay 0 life to cast Ugin's Conjurant from the top of your deck with Bolas's Citadel Repeat the process.