Opponents control at least six artifacts and/or enchantments.

Cast Dockside Extortionist by paying .
Dockside Extortionist enters the battlefield, creating at least six Treasure tokens.
Cast Lore Drakkis for its mutate cost by paying , targeting Dockside Extortionist.
Lore Drakkis's mutate ability triggers, returning Silent Departure from your graveyard to hand.
Cast Silent Departure by paying , returning Dockside Extortionist and Lore Drakkis to your hand.
Activate five Treasure tokens by tapping and sacrificing those, adding .
Repeat.