Mishra, Eminent One + Ugin's Nexus + Master Transmuter

Prerequisites

• Master Transmuter does not have summoning sickness.

Steps

1. 1At the beginning of your combat phase, Mishra triggers, creating a token copy of Ugin's Nexus that is a 4/4 Construct artifact creature named Mishra's Warform in addition to its other types.
2. 2Activate Master Transmuter by paying , tapping it and returning Ugin's Nexus to hand, choosing not to put an artifact onto the battlefield.
3. 3At the beginning of your end step, Mishra triggers, causing you to exile Mishra's Warform and take an extra turn after this one.
4. 4Move to your next turn.
5. 5Cast Ugin's Nexus by paying .
6. 6Repeat.

Effects

• Infinite turns
• Lock