Fury Storm + Professor Onyx

Prerequisites

• You have cast your commander from your command zone this game.
• An additional instant or sorcery in hand with the mana to cast it, or an opponent has cast an as of yet unresolved instant or sorcery spell.

Steps

1. 1Cast your additional instant or sorcery spell, or wait for an opponent to cast one.
2. 2Professor Onyx triggers, losing each opponent two life and gaining you 2 life.
3. 3Cast Fury Storm targeting the instant or sorcery spell.
4. 4Professor Onyx triggers, losing each opponent two life and gaining you 2 life.
5. 5Fury 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. 6Professor Onyx triggers for each copy, losing each opponent two life and gaining you 2 life each time.
7. 7Resolve a Fury Storm copy, copying Fury Storm and choosing the original Fury Storm as the target.
8. 8Professor Onyx triggers, losing each opponent two life and gaining you 2 life.
9. 9Repeat from step 7.

Effects

• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite magecraft triggers