Color Identity: U

Initial Card State
- Five Hundred Year Diary in exile (exiled by Myr Welder).
- Myr Welder and Sword of the Paruns on the battlefield (Myr Welder without summoning sickness and Sword of the Paruns attached to Myr Welder).
Notable Prerequisites
- You control at least four Clues.
Steps
- Activate Myr Welder using Five Hundred Year Diary's ability by tapping it, adding at least ({U} magic symbol)
({U} magic symbol)
({U} magic symbol)
({U} magic symbol)
. - Activate Sword of the Paruns by paying ({3} magic symbol)
, untapping Myr Welder. - Repeat.
Notes
- Once you have infinite mana, you may attach Sword of the Paruns to any other creature(s) to untap them.
Results
- Infinite untap of creatures you control.
- Infinite mana creatures you control can produce.
- Infinite blue mana.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).