How can you create a combo with Agatha's Soul Cauldron, Kiki-Jiki, Mirror Breaker, Brimstone Trebuchet?
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[START OF COMBO]This combo can be formed with Agatha's Soul Cauldron, Kiki-Jiki, Mirror Breaker, Brimstone Trebuchet

Color identity: R
Mana cost: 
Steps:
  1. Activate Brimstone Trebuchet using Kiki-Jiki's ability by tapping it, creating a token copy of any nonlegendary Knight you control with haste.
  2. When the Knight token enters the battlefield, Brimstone Trebuchet triggers, untapping itself.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite copies of nonlegendary Knights you control with haste
  - Infinite creature tokens with haste
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Agatha's Soul Cauldron must be on the battlefield
  - Kiki-Jiki, Mirror Breaker must be exiled
  - Brimstone Trebuchet must be on the battlefield
  - Brimstone Trebuchet has at least one +1/+1 counter on it and does not have summoning sickness.
  - You control a nonlegendary Knight.
[END OF COMBO PREREQUISITES]
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