Color Identity: C

Initial Card State
- Myr Welder on the battlefield (without summoning sickness).
- Gilded Lotus in exile (exiled by Myr Welder).
- Voltaic Construct on the battlefield or in exile (exiled by Myr Welder).
Steps
- Activate Myr Welder using Gilded Lotus's ability by tapping it, adding three mana of any color.
- If Voltaic Construct is on the battlefield, activate Voltaic Construct by paying ({2} magic symbol)
, untapping Myr Welder. Otherwise, activate Myr Welder using Voltaic Construct's ability by paying ({2} magic symbol)
, untapping Myr Welder. - Repeat.
Results
- Infinite colored mana.
- Infinite untap of artifact creatures you control.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).