MTG >Combos >Dross Scorpion +Ovalchase Daredevil +March of the Machines +The Underworld Cookbook +

With all cards in play and Ovalchase Daredevil in your hand. Activate Underworld Cookbook's ability and discard Ovalchase Daredevil to create a Food token Ovalchase Daredevil's ability will trigger, return it to your hand March of the Machines will turn the token into a 0/0 creature, and it will die, Dross Scorpion's ability will trigger, untap The Underworld Cookbook Repeat process for infinite ETB/Death Trigger.