Master Transmuter + Mirrorworks Combos

3 known combos featuring both cards in Commander

Lock Infinite turns Infinite blinking of artifacts Infinite card draw Infinite colored mana

Combo 1 with Ugin's Nexus

Also requires: Ugin's Nexus Ugin's Nexus
Results: Infinite turns · Lock
Steps
  1. Cast Ugin's Nexus by paying {5}.
  2. Ugin's Nexus enters the battlefield, triggering Mirrorworks, causing you to pay {2} to create a copy of Ugin's Nexus.
  3. Exile the token copy of Ugin's Nexus due to the legend rule, causing you to take an extra turn after this one.
  4. Activate Master Transmuter by paying {U}, tapping it, and returning Ugin's Nexus to your hand, choosing not to put an artifact card from your hand onto the battlefield.
  5. Repeat each turn.

Combo 2 with Corridor Monitor + Chromatic Orrery

Results: Infinite blinking of artifacts · Infinite card draw · Infinite colored mana · Infinite colorless mana · Infinite creature tokens · Infinite draw triggers · Infinite ETB · Infinite LTB
Show steps
  1. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  2. Activate Master Transmuter by paying {1}, tapping it and returning Corridor Monitor to your hand, putting Corridor Monitor from your hand onto the battlefield.
  3. Corridor Monitor enters the battlefield, triggering itself and Mirrorworks.
  4. Resolve the Mirrorworks trigger, causing you to pay {2} to create a token copy of Corridor Monitor.
  5. The Corridor Monitor token enters the battlefield, untapping Master Transmuter.
  6. Activate Master Transmuter by paying {1}, tapping it and returning Chromatic Orrery to your hand, putting Chromatic Orrery from your hand onto the battlefield.
  7. Chromatic Orrery enters the battlefield, triggering Mirrorworks; choose not to pay for the trigger.
  8. Resolve the Corridor Monitor trigger from step 3, untapping Master Transmuter.
  9. Repeat.

Combo 3 with Aeon Engine + Unwinding Clock

Results: Locks out all of your opponents but one, and allows you to choose which of your two neighboring opponents get to have turns · Lock
Show steps
  1. Cast Aeon Engine by paying {5}.
  2. Aeon Engine enters the battlefield, triggering Mirrorworks, causing you to pay {2} to create a copy of Aeon Engine.
  3. Activate Master Transmuter by paying {U} and tapping it, returning Aeon Engine to your hand.
  4. Pass the turn.
  5. Untap all permanents you control during each opponent's untap step due to Unwinding Clock.
  6. Activate the token copy of Aeon Engine by tapping and exiling it, reversing the game order.
  7. On your turn, repeat from step 1.
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