Infinite turns, Lock
During your end step, activate Krark-Clan Ironworks by sacrificing Ugin's Nexus, adding .
Ugin's Nexus is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
Esoteric Duplicator triggers, causing you to pay to create a token copy of Ugin's Nexus at the beginning of your next end step.
Move to your extra turn.
At the beginning of your end step, Esoteric Duplicator triggers, creating a token copy of Ugin's Nexus.
Repeat.
Component Cards
How It Works
During your end step, activate Krark-Clan Ironworks by sacrificing Ugin's Nexus, adding .
Ugin's Nexus is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
Esoteric Duplicator triggers, causing you to pay to create a token copy of Ugin's Nexus at the beginning of your next end step.
Move to your extra turn.
At the beginning of your end step, Esoteric Duplicator triggers, creating a token copy of Ugin's Nexus.
Repeat.