How can you create a combo with Birgi, God of Storytelling // Harnfel, Horn of Bounty, Seething Song, Reiterate?
user
[START OF COMBO]This combo can be formed with Birgi, God of Storytelling // Harnfel, Horn of Bounty, Seething Song, Reiterate

Color identity: R
Mana cost: {6}{R}
Steps:
  1. Cast Seething Song by paying {2}{R}.
  2. Birgi triggers, adding {R}.
  3. Holding priority, cast Reiterate with buyback by paying {4}{R}{R}, targeting Seething Song.
  4. Birgi triggers, adding {R}.
  5. Resolve Reiterate, copying Seething Song and returning Reiterate to your hand.
  6. Resolve the copy of Seething Song, adding {R}{R}{R}{R}{R}.
  7. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - 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
  - Seething Song must be in your hand
  - Reiterate must be in your hand
[END OF COMBO PREREQUISITES]
assistant