How can you create a combo with Chain of Acid, Professor Onyx?
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[START OF COMBO]This combo can be formed with Chain of Acid, Professor Onyx

Color identity: BG
Mana cost: {3}{G}
Steps:
  1. Cast Chain of Acid for {3}{G} targeting an indestructible noncreature permanent you control.
  2. Professor Onyx triggers, causing each opponent to lose 2 life and you to gain 2 life.
  3. Resolve Chain of Acid, failing to destroy the target and copying Chain of Acid targeting the same permanent.
  4. Repeat from step 2.[END OF COMBO STEPS]

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

Other prerequisites:
  - Chain of Acid must be in your hand
  - Professor Onyx must be on the battlefield
  - You control an indestructible noncreature permanent.
[END OF COMBO PREREQUISITES]
assistant