Professor Onyx + Chain of Smog

Professor Onyx
Chain of Smog

Requires
Professor Onyx on the battlefield. Chain of Smog in hand. 1b available.
Steps
  1. Cast Chain of Smog targeting yourself
  2. Professor Onyx triggers, losing each opponent two life and gaining you 2 life
  3. Resolve Chain of Smog, copying the spell and choosing yourself as the new target
  4. Repeat from step 2
Results
Infinite lifeloss. Infinite lifegain. Infinite lifegain triggers. Infinite magecraft triggers.