Master Transmuter + Replication Specialist + Ugin's Nexus

Mana needed: {6}{U}{U} each turn

U identity

Commander legal

The 3 combo pieces

What must be in place

Master Transmuter does not have summoning sickness.

How to execute it

  1. Cast Ugin's Nexus by paying {5}.
  2. Ugin's Nexus enters the battlefield, triggering Replication Specialist, causing you to pay {1}{U} 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.

What the combo produces