MTG >Combos >Renegade Rallier +Ashnod's Altar +Kaya's Ghostform +

Enchant Renegade Railier with Kaya's Ghostform and sacrifice it to add two mana. Kaya Ghostform's ability will trigger, return Renegade Railier to the battlefield Renegade Railier's ability will trigger, return Kaya's Ghostform to the battlefield attached to him. Repeat process for infinite mana