Chain of Smog + Professor Onyx

Mana needed: {1}{B}

B identity

Commander legal

The 2 combo pieces

How to execute it

  1. Cast Chain of Smog by paying {1}{B}, targeting yourself.
  2. Professor Onyx triggers, causing each opponent to lose 2 life and you to gain 2 life.
  3. Resolve Chain of Smog, discarding two cards if possible, then copying the spell without choosing a new target.
  4. Repeat from step 2.

What the combo produces