Dockside Extortionist | Hellkite Charger | Blade of Selves

Cards

Opponents control a number of artifacts and/or enchantments equal to or greater than seven divided by the number of opponents you have, rounded up.
An opponent cannot block and kill
Hellkite Charger or
Dockside Extortionist.
Blade of Selves attached to
Dockside Extortionist.

Declare
Dockside Extortionist and
Hellkite Charger as attackers, triggering
Hellkite Charger and
Dockside Extortionist's myriad ability.
Resolve the
Dockside Extortionist trigger, creating at least one token copy of
Dockside Extortionist that is tapped and attacking.
When the
Dockside Extortionist token(s) enter the battlefield, they trigger, creating at least seven Treasure tokens.
Activate seven Treasure tokens by tapping and sacrificing them, adding ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Resolve the
Hellkite Charger trigger from step 1, causing you to pay ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) to untap all attacking creatures you control and to get an additional combat phase after this one.
Repeat each combat phase.

WARNING: Combo contains cards that are banned in Commander