Dockside Extortionist enters the battlefield, creating at least six Treasure tokens.
Activate six Treasure tokens by tapping and sacrificing them, adding ({2} magic symbol) ({WU} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Cast Vadrok for its mutate cost by paying ({1} magic symbol) ({WU} magic symbol) ({R} magic symbol) ({R} magic symbol) plus commander tax if applicable, putting it on top of Dockside Extortionist.
The Vadrok mutated creature triggers, allowing you to cast Winds of Rebuke from your graveyard without paying its mana cost.
Resolve Winds of Rebuke, returning Vadrok and Dockside Extortionist from the battlefield to your hand and causing each player to mill two cards.
Repeat.
If your opponents control at least seven artifacts and/or enchantments, this combo produces infinite Treasure tokens.