Combos with Professor Onyx

4 known combos in Commander — View Professor Onyx

Professor Onyx Professor Onyx Chain of Smog Chain of Smog
Results: Infinite lifegain · Infinite lifegain triggers · Infinite lifeloss · Infinite magecraft triggers
Show steps
  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.
19,627 decks Colorless View on Commander Spellbook →
Fury Storm Fury Storm Professor Onyx Professor Onyx
Results: Infinite lifegain · Infinite lifegain triggers · Infinite lifeloss · Infinite magecraft triggers
Show steps
  1. Cast your additional instant or sorcery spell, or wait for an opponent to cast one.
  2. Professor Onyx triggers, losing each opponent two life and gaining you 2 life.
  3. Cast Fury Storm targeting the instant or sorcery spell.
  4. Professor Onyx triggers, losing each opponent two life and gaining you 2 life.
  5. Fury Storm triggers, copying itself for each time you have cast your commander from your command zone this game and choosing the original copy of Fury Storm as the target.
  6. Professor Onyx triggers for each copy, losing each opponent two life and gaining you 2 life each time.
  7. Resolve a Fury Storm copy, copying Fury Storm and choosing the original Fury Storm as the target.
  8. Professor Onyx triggers, losing each opponent two life and gaining you 2 life.
  9. Repeat from step 7.
948 decks Colorless View on Commander Spellbook →
Chain of Acid Chain of Acid Professor Onyx Professor Onyx
Results: Infinite lifegain · Infinite lifegain triggers · Infinite lifeloss · Infinite magecraft triggers
Show 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.
375 decks Colorless View on Commander Spellbook →
Guile Guile Temporal Extortion Temporal Extortion Professor Onyx Professor Onyx
Results: Infinite lifegain triggers · Infinite lifeloss · Infinite magecraft triggers · Infinite storm count
Show steps
  1. Cast Temporal Extortion by paying {B}{B}{B}{B}.
  2. Temporal Extortion and Professor Onyx trigger.
  3. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  4. Repeat from step 2 until your life total is four or less.
  5. Temporal Extortion and Professor Onyx trigger.
  6. Resolve the Professor Onyx trigger, causing you to gain two life and each opponent to lose 2 life.
  7. Resolve the Temporal Extortion trigger, causing you to pay half your life total, rounded up, and then exile Temporal Extortion and cast it without paying its mana cost due to Guile.
  8. Repeat from step 5.
4 decks Colorless View on Commander Spellbook →
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