MTG >Combos >Bile Urchin +Phyrexian Altar +Enduring Renewal +Millicent, Restless Revenant +

Cast Bile Urchin Millicent's ability will trigger, create a Spirit token Sacrifice Bile Urchin with Phyrexian Altar to add one black mana. Enduring Renewal's ability will trigger, return Bile Urchin to your hand Repeat the process for infinite tokens.