Myr Galvanizer, Silver Myr, Mirrorworks, and Lightning Greaves

Prerequisites

• Myr Galvanizer in hand
• Silver Myr in hand
• Mirrorworks on the battlefield
• Lightning Greaves on the battlefield
• available

Steps

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

Results

• Infinite blue mana
• Infinite untap of Myrs you control