Ugin's Nexus + Esoteric Duplicator + Grinding Station

Prerequisites

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Steps

1. 1During your end step, activate Grinding Station by tapping it and sacrificing Ugin's Nexus.
2. 2Ugin's Nexus is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
3. 3Esoteric Duplicator triggers, causing you to pay to create a token copy of Ugin's Nexus at the beginning of your next end step.
4. 4Resolve the Grinding Station ability, causing target player to mill three cards.
5. 5Move to your extra turn.
6. 6At the beginning of your end step, Esoteric Duplicator triggers, creating a token copy of Ugin's Nexus.
7. 7Repeat.

Effects

• Infinite turns
• Lock