Color Identity: U

Initial Card State
- Filigree Sages and Doubling Cube on the battlefield.
Notable Prerequisites
- ({9} magic symbol)
({U} magic symbol)
floating.
Steps
- Tap Doubling Cube for ({3} magic symbol)
to add an additional ({6} magic symbol)
({U} magic symbol)
. - Untap Doubling Cube with Filigree Sages.
- You now have an additional ({1} magic symbol)
floating. - Repeat for infinite mana.
Results
- Infinite untap of artifacts you control.
- Infinite colored mana.
- Infinite colorless mana.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).