Golbez, Crystal Collector | Copy Catchers | Mycosynth Lattice (and one other card)

Cards

Cast
Copy Catchers by paying ({2} magic symbol) .
When
Copy Catchers enters as an artifact due to
Mycosynth Lattice,
Golbez's first ability triggers, causing you to surveil 1.
Copy Catchers triggers, causing you to pay ({2} magic symbol) to create a token copy of it.
When the token
Copy Catchers enters as an artifact due to
Mycosynth Lattice,
Golbez's first ability triggers, causing you to surveil 1.
Both
Copy Catchers trigger. Resolve the first trigger, choosing not to pay.
Holding priority, activate
Krark-Clan Ironworks by sacrificing the
Copy Catchers token, adding ({C} magic symbol) ({C} magic symbol) .
Resolve the remaining
Copy Catchers trigger, causing you to pay ({2} magic symbol) to create a token copy of it.
Repeat from step 4.

This combo has been estimated to be Exhibition (Bracket 1+).