Requires

Vadrok, Apex of Thunder must be in hand, or in the command zone. Dockside Extortionist must be on the battlefield. Quasiduplicate must be in the graveyard. Snap must be in hand. Your opponents control at least three artifacts and/or enchantments. Mana needed: , plus commander tax if applicable, plus one additional red, white, or blue mana if opponents control exactly three artifacts and/or enchantments

Steps

1. Cast Vadrok for its mutate cost by paying , merging it under Dockside Extortionist.
2. The Dockside Extortionist mutated creature's ability from Vadrok triggers, casting Quasiduplicate from your graveyard without paying its mana cost.
3. Resolve Quasiduplicate, creating a token copy of the Dockside Extortionist mutated creature with haste.
4. The token copy of the Dockside Extortionist mutated creature triggers, creating at least three Treasure tokens.
5. Activate three Treasure tokens by tapping and sacrificing them, adding .
6. Cast Snap by paying , returning the nontoken Dockside Extortionist and Vadrok from the battlefield to your hand and untapping two lands you control.
7. Cast Vadrok for its mutate cost by paying , merging it under the token Dockside Extortionist mutated creature.
8. The token Dockside Extortionist mutated creature triggers once for each of its Vadrok abilities.
9. Resolve one of these triggers, casting Quasiduplicate from your graveyard without paying its mana cost.
10. Resolve Quasiduplicate, creating a token copy of the Dockside Extortionist mutated creature with haste.
11. The token copy of the Dockside Extortionist mutated creature triggers, creating at least three Treasure tokens.
12. Activate three Treasure tokens by tapping and sacrificing them, adding .
13. Resolve a second trigger from step 8, casting Snap from your graveyard without paying its mana cost, targeting the mutated creature that includes the nontoken Vadrok.
14. Resolve Snap, returning Vadrok from the battlefield to your hand as well as multiple token creatures which cease to exist, and untapping two lands you control.
15. Resolve any remaining triggers from step 8, casting any noncreature cards with mana value 3 or less that were not already cast since step 8 from your graveyard without paying their casting costs.
16. Repeat from step 7, adding one additional token Vadrok to each new iteration of the Dockside Extortionist mutated creature token.

Results