Activate Silver Myr by tapping it, adding {U}.
Activate Myr Galvanizer by paying {1} and tapping it, untapping each other Myr you control.
Activate Clock of Omens by tapping two other Myr artifact creatures you control, untapping Myr Galvanizer.
Repeat.
If you control another Myr that can tap to produce at least {1}, this combo nets infinite mana.

Infinite mana Myr you control can produce

Infinite untap of Myr you control

Myr Galvanizer

Clock of Omens

Silver Myr

Activate Palladium Myr by tapping it, adding {C}{C}.
Activate Silver Myr by tapping it, adding {U}.
Activate Voltaic Construct by paying {2}, untapping Myr Galvanizer.
Activate Myr Galvanizer by paying {1} and tapping it, untapping each other Myr you control.
Repeat.

Palladium Myr

Voltaic Construct

Cast Silver Myr by paying {2}.
Silver Myr enters the battlefield, triggering Mirrorworks, causing you to pay {2} to create a token copy of Silver Myr.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to a Silver Myr.
Activate the Silver Myr by tapping it, adding {U}.
Repeat from step 3 one additional time.
Cast Myr Galvanizer by paying {3}.
Myr Galvanizer enters the battlefield, triggering Mirrorworks, causing you to pay {2} to create a token copy of Myr Galvanizer.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to a Myr Galvanizer.
Activate the Myr Galvanizer by paying {1} and tapping it, untapping all other Myr you control.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to a Silver Myr.
Activate the Silver Myr by tapping it, adding {U}.
Repeat from step 10 one additional time.
Repeat from step 8.

Infinite blue mana

Mirrorworks

Lightning Greaves

Cast Silver Myr by paying {2}.
Silver Myr enters the battlefield, triggering Mirrorworks, causing you to pay {2} to create a token copy of Silver Myr.
Activate both Silver Myr by tapping them, adding {U}{U}.
Cast Myr Galvanizer by paying {3}.
Myr Galvanizer enters the battlefield, triggering Mirrorworks, causing you to pay {2} to create a token copy of Myr Galvanizer.
Activate a Myr Galvanizer by paying {1} and tapping it, untapping all other Myr you control.
Activate both Silver Myr by tapping them, adding {U}{U}.
Repeat from step 6.

Thousand-Year Elixir

Cast Silver Myr by paying {2}.
Silver Myr enters the battlefield, triggering Replication Specialist, causing you to pay {1}{U} to create a token copy of Silver Myr.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to a Silver Myr.
Activate the Silver Myr by tapping it, adding {U}.
Repeat from step 3 one additional time.
Cast Myr Galvanizer by paying {3}.
Myr Galvanizer enters the battlefield, triggering Replication Specialist, causing you to pay {1}{U} to create a token copy of Myr Galvanizer.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to a Myr Galvanizer.
Activate the Myr Galvanizer by paying {1} and tapping it, untapping all other Myr you control.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to a Silver Myr.
Activate the Silver Myr by tapping it, adding {U}.
Repeat from step 10 one additional time.
Repeat from step 8.

Replication Specialist

Cast Silver Myr by paying {2}.
Silver Myr enters the battlefield, triggering Replication Specialist, causing you to pay {1}{U} to create a token copy of Silver Myr.
Activate both Silver Myr by tapping them, adding {U}{U}.
Cast Myr Galvanizer by paying {3}.
Myr Galvanizer enters the battlefield, triggering Replication Specialist, causing you to pay {1}{U} to create a token copy of Myr Galvanizer.
Activate a Myr Galvanizer by paying {1} and tapping it, untapping all other Myr you control.
Activate both Silver Myr by tapping them, adding {U}{U}.
Repeat from step 6.

Combos with "Silver Myr"