How can you create a combo with Urabrask // The Great Work, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Goldspan Dragon, Seething Anger?
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[START OF COMBO]This combo can be formed with Urabrask // The Great Work, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Goldspan Dragon, Seething Anger

Color identity: R
Mana cost: {3}{R}
Steps:
  1. Cast Seething Anger with buyback by paying {3}{R}, targeting Goldspan Dragon.
  2. Urabrask, Birgi, and Goldspan Dragon each trigger.
  3. Resolve the Urabrask trigger, dealing 1 damage to an opponent and adding {R}.
  4. Resolve the Birgi trigger, adding {R}.
  5. Resolve the Goldspan Dragon trigger, creating a Treasure token.
  6. Resolve Seething Anger, giving Goldspan Dragon +3/+0 until end of turn and returning Seething Anger to your hand.
  7. Activate the Treasure by tapping it, adding {2}.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite damage
  - Infinitely powerful Goldspan Dragon until end of turn
  - Infinite magecraft triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Urabrask // The Great Work must be on the battlefield
  - Birgi, God of Storytelling // Harnfel, Horn of Bounty must be on the battlefield
  - Goldspan Dragon must be on the battlefield
  - Seething Anger must be in your hand
[END OF COMBO PREREQUISITES]
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