Prerequisites
- Myr Welder on the battlefield
- Sword of the Paruns on the battlefield
- Five Hundred Year Diary in exile
Steps
- Activate Myr Welder using Five Hundred Year Diary's ability by tapping it, adding at least
Activate Sword of the Paruns by paying 
, untapping Myr Welder - Repeat
Results
- Infinite untap of creatures you control
- Infinite mana creatures you control can produce
- Infinite blue mana
Required Cards 3
Myr Welder
Artifact Creature — Myr
Sword of the Paruns
Artifact — Equipment
Five Hundred Year Diary
Legendary Artifact — Clue
