How can you create a combo with Selective Memory, River Kelpie, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Flame Jab?
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[START OF COMBO]This combo can be formed with Selective Memory, River Kelpie, Birgi, God of Storytelling // Harnfel, Horn of Bounty, Flame Jab

Color identity: UR
Mana cost: {3}{U}
Steps:
  1. Cast Selective Memory by paying {3}{U}.
  2. Birgi triggers, adding {R}.
  3. Resolve Selective Memory, exiling all nonland cards from your library.
  4. Cast Flame Jab from your graveyard for its retrace cost by paying {R} and discarding a land card.
  5. Birgi and River Kelpie trigger.
  6. Resolve the Birgi trigger, adding {R}.
  7. Resolve the River Kelpie trigger, causing you to draw a land card.
  8. Resolve Flame Jab, dealing 1 damage to any target.
  9. Repeat from step 4.[END OF COMBO STEPS]

Result:
  - Near-infinite damage
  - Near-infinite draw triggers
  - Near-infinite magecraft triggers
  - Near-infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Selective Memory must be in your hand
  - River Kelpie must be on the battlefield
  - Birgi, God of Storytelling // Harnfel, Horn of Bounty must be on the battlefield
  - Flame Jab must be in the graveyard
  - You have at least one land card in hand.
[END OF COMBO PREREQUISITES]
assistant