How can you create a combo with Fury Storm, Deekah, Fractal Theorist?
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[START OF COMBO]This combo can be formed with Fury Storm, Deekah, Fractal Theorist

Color identity: UR
Mana cost: {2}{R}{R}
Steps:
  1. Cast your additional instant or sorcery spell, or wait for an opponent to cast one.
  2. Deekah triggers, creating a Fractal creature token.
  3. Cast Fury Storm targeting the instant or sorcery spell.
  4. Deekah triggers, creating a Fractal creature token.
  5. Fury Storm triggers, copying itself for each time you have cast your commander from your command zone this game and choosing the original copy of Fury Storm as the target.
  6. Deekah triggers for each copy, creating a Fractal creature token each time.
  7. Resolve a Fury Storm copy, copying Fury Storm and choosing the original Fury Storm as the target.
  8. Deekah triggers, creating a Fractal creature token.
  9. Repeat from step 7.[END OF COMBO STEPS]

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

Other prerequisites:
  - Fury Storm must be in your hand
  - Deekah, Fractal Theorist must be on the battlefield
  - You have cast your commander from your command zone this game.
  - An additional instant or sorcery in hand with the mana to cast it, or an opponent has cast an as of yet unresolved instant or sorcery spell.
[END OF COMBO PREREQUISITES]
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