MTG >Combos >Card with Free Sacrifice ability +Cryptolith Rite +Nether Traitor +Sek'Kuar, Deathkeeper +

With all cards in play: Tap Nether Traitor to add one black mana and sacrifice it Sekkuar's ability will trigger, create a 3/1 token with Haste Tap the token to add a mana of any color and sacrifice it Nether Traitor's ability will trigger, pay one black mana to return it to the battlefield repeat the process