How can you create a combo with March of the Machines, Liliana, Dreadhorde General, Dross Scorpion, The Underworld Cookbook?
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[START OF COMBO]This combo can be formed with March of the Machines, Liliana, Dreadhorde General, Dross Scorpion, The Underworld Cookbook

Color identity: UB
Mana cost: 
Steps:
  1. Activate The Underworld Cookbook's first ability by tapping it and discarding a card, creating a Food artifact token.
  2. The Food enters the battlefield as a 0/0 artifact creature and dies as a state-based action due to having zero or less toughness.
  3. Dross Scorpion and Liliana triggers.
  4. Resolve the Dross Scorpion trigger, untapping The Underworld Cookbook.
  5. Resolve the Liliana trigger, causing you to draw a card.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite draw triggers
  - Infinite enters the battlefield
  - Infinite looting
  - Infinite leaves the battlefield
  - Infinite self-discard triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have at least one card in hand.
  -  The Underworld Cookbook does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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