MTG >Combos >Phyrexian Altar +Kaya's Ghostform +Ayara, First of Locthwain +Lurrus of the Dream-Den +

Enchant Lurrus with Kaya's Ghostform and sacrifice him with Phyrexian Altar to add black mana Kaya's Ghostform ability will trigger, return Lurrus to the battlefield Ayara's ability will trigger, the opponent will lose 1 life. Pay the black mana to cast Kaya's Ghostform from your graveyard Repeat the process