Delina, Wild Mage | Dockside Extortionist | Hellkite Charger

Cards

Declare
Delina and
Hellkite Charger as attackers, triggering their abilities.
Resolve the
Delina trigger, creating at least one token copy of
Dockside Extortionist that is tapped and attacking.
The
Dockside Extortionist token(s) enter the battlefield, creating at least eight 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.
At the end of your combat phase, the
Dockside Extortionist token triggers, exiling itself.
Repeat each combat phase.

WARNING: Combo contains cards that are banned in Commander