How can you create a combo with Swarm Intelligence, Reiterate?
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[START OF COMBO]This combo can be formed with Swarm Intelligence, Reiterate

Color identity: UR
Mana cost: {1}{R}{R}
Steps:
  1. Cast any instant or sorcery spell, or wait for an opponent to cast one.
  2. Holding priority, cast Reiterate by paying {1}{R}{R}, targeting the spell.
  3. Swarm Intelligence triggers, copying Reiterate, targeting the original Reiterate.
  4. Resolve the copy of Reiterate, copying Reiterate targeting the original Reiterate.
  5. Repeat step 4.[END OF COMBO STEPS]

Result:
  - Infinite magecraft triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Swarm Intelligence must be on the battlefield
  - Reiterate must be in your hand
  - If desired, you have another instant or sorcery card in hand with mana to cast it.
[END OF COMBO PREREQUISITES]
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