Saheeli, Radiant Creator | Combat Celebrant | Gonti's Aether Heart

(and one other card)

At the beginning of your combat phase,
Saheeli triggers, causing you to pay ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) to create a token copy of
Combat Celebrant that is a 5/5 artifact creature with haste.
When the
Combat Celebrant token enters the battlefield,
Gonti's Aether Heart and
Decoction Module trigger, causing you to get ({E} magic symbol) ({E} magic symbol) ({E} magic symbol) .
Declare the
Combat Celebrant token as an attacker, choosing to exert it as it attacks.. The token triggers, causing you to untap all other creatures you control and to get an additional combat phase after this one.
Repeat each combat phase.