How can you create a combo with Birgi, God of Storytelling // Harnfel, Horn of Bounty, Manaform Hellkite, Mana Echoes, Seething Anger?
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[START OF COMBO]This combo can be formed with Birgi, God of Storytelling // Harnfel, Horn of Bounty, Manaform Hellkite, Mana Echoes, Seething Anger

Color identity: R
Mana cost: {3}{R}
Steps:
  1. Cast Seething Anger with buyback by paying {3}{R}.
  2. Birgi and Manaform Hellkite trigger.
  3. Resolve the Birgi trigger, adding {R}.
  4. Resolve the Manaform Hellkite trigger, creating a 5/5 Dragon Illusion creature token with haste.
  5. The Dragon Illusion enters the battlefield, triggering Mana Echoes, adding at least {C}{C}{C}.
  6. Resolve Seething Anger, causing target creature to get +3/+0 until end of turn and returning Seething Anger to your hand.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite creature tokens with haste
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinitely powerful creatures until end of turn
  - Infinite magecraft triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Birgi, God of Storytelling // Harnfel, Horn of Bounty must be on the battlefield
  - Manaform Hellkite must be on the battlefield
  - Mana Echoes must be on the battlefield
  - Seething Anger must be in your hand
  - You control at least two Dragons and/or Illusions.
[END OF COMBO PREREQUISITES]
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