How can you create a combo with Miirym, Sentinel Wyrm, Worldgorger Dragon?
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[START OF COMBO]This combo can be formed with Miirym, Sentinel Wyrm, Worldgorger Dragon

Color identity: GUR
Mana cost: {3}{R}{R}{R}
Steps:
  1. Cast Worldgorger Dragon by paying {3}{R}{R}{R}.
  2. Worldgorger Dragon enters the battlefield, triggering its first ability and Miirym.
  3. Holding priority, you may activate all mana-producing permanents you control by tapping them, adding at least {1}.
  4. Resolve the Miirym trigger, creating a token copy of Worldgorger Dragon.
  5. The Worldgorger Dragon token enters the battlefield, exiling all other permanents you control.
  6. The nontoken Worldgorger Dragon's second ability triggers, returning nothing to the battlefield.
  7. Resolve the nontoken Worldgorger Dragon's first ability from step 2, exiling all other permanents you control.
  8. The token Worldgorger Dragon leaves the battlefield, returning all cards exiled with it to the battlefield from exile.
  9. Repeat from step 2 in an infinite loop, drawing the game unless you can use the infinite mana to win the game or remove a combo piece at instant speed.[END OF COMBO STEPS]

Result:
  - Draw the game
  - Infinite blinking
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mana permanents you control can produce[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Miirym, Sentinel Wyrm must be on the battlefield
  - Worldgorger Dragon must be in your hand
[END OF COMBO PREREQUISITES]
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