Myr Galvanizer + Silver Myr + Mirrorworks + Lightning Greaves

4-card combo · U

Verdict

Yes — this 4-card loop generates infinite blue mana, though the setup cost and piece count make it a niche Myr-tribal payoff rather than a general blue staple.

Cards required

Cheapest stack total

$9.20

Color identity

Popularity

233 decks

Format

Commander

Buy required cards on TCGplayer

Mirrorworks doubles both Silver Myr and Myr Galvanizer on entry, giving the engine two of each creature for the price of 4 extra mana. Lightning Greaves equips at zero cost to grant haste and let freshly cast Myrs tap immediately, while the two Galvanizers take turns untapping each other and the Silver Myrs to produce blue mana without bound. This is a Myr-tribal shell card — decks built around Urtet, Remnant of Memnarch or Myr Battlesphere already want most of these pieces.

How it works

Prerequisites

—

Steps

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

Result

Infinite blue mana; Infinite untap of Myr you control

Cheaper, tighter, alternate lines

Sword of the Paruns or Umbral Mantle can replace Lightning Greaves as the untap enabler if haste isn't the bottleneck and you're willing to pay one or three mana per activation instead. Adding a Myr Turbine or Myr Reservoir gives the shell redundant ways to find or recur Galvanizer. The loop generates only blue mana, so pair it with a colorless-friendly sink like Walking Ballista or Staff of Domination to convert infinite blue into a table kill.

Myr Galvanizer + Silver Myr + Mirrorworks + Lightning Greaves

How it works

Cheaper, tighter, alternate lines

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