MTG >Combos >Diregraf Colossus +Phyrexian Altar +Urza's Incubator +Acererak the Archlich +

With all cards in play and Urza's Incubator naming Zombie: play acererak Diregraf Colossus's ability will trigger, creating a 2/2 token Venture into a dungeon with Acererak's ability and return it to your hand. Sacrifice the token to add black mana with Phyrexian Altar Repeat the process