Prerequisites
- Havengul Lich on the battlefield
- Krark-Clan Ironworks on the battlefield
- Phyrexian Walker on the battlefield
Steps
- Activate Krark-Clan Ironworks by sacrificing Phyrexian Walker, adding
- Activate Havengul Lich by paying , targeting Phyrexian Walker
- Cast Phyrexian Walker from graveyard by paying
- Repeat
Results
- Infinite colorless mana
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite sacrifice triggers
- Infinite storm count
Required Cards 3
Havengul Lich
Creature — Zombie Wizard
Krark-Clan Ironworks
Artifact
Phyrexian Walker
Artifact Creature — Phyrexian Construct