How can you create a combo with Faceless Butcher, Dual Nature?
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[START OF COMBO]This combo can be formed with Faceless Butcher, Dual Nature

Color identity: BG
Mana cost: {2}{B}{B}
Steps:
  1. Cast Faceless Butcher by paying {2}{B}{B}.
  2. Faceless Butcher enters the battlefield, triggering itself and Dual Nature's first ability.
  3. Resolve the Faceless Butcher trigger, choosing not to exile anything.
  4. Resolve the Dual Nature trigger, creating a token copy of Faceless Butcher.
  5. The token Faceless Butcher enters the battlefield, exiling the nontoken Faceless Butcher.
  6. Faceless Butcher leaves the battlefield, triggering Dual Nature's second ability, exiling the Faceless Butcher token.
  7. The Faceless Butcher token leaves the battlefield, triggering its second ability, returning the nontoken Faceless Butcher from exile to the battlefield.
  8. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Exile any target creatures
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite triggers of ETB or leaves the battlefield of any target creatures[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Faceless Butcher must be in your hand
  - Dual Nature must be on the battlefield
[END OF COMBO PREREQUISITES]
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