Chain of Acid + Professor Onyx

Mana needed: {3}{G}

BG identity

Commander legal

The 2 combo pieces

What must be in place

You control an indestructible noncreature permanent.

How to execute it

  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.

What the combo produces