Mishra, Eminent One | Gonti's Aether Heart | Brudiclad, Telchor Engineer

Cards

At the beginning of your combat phase,
Mishra and
Brudiclad trigger.
Resolve the
Mishra trigger, creating a 4/4 artifact creature token copy of
Gonti's Aether Heart named
Mishra's Warform.
When
Mishra's Warform enters the battlefield, it and
Gonti's Aether Heart trigger, causing you to get four energy counters.
Resolve the
Brudiclad trigger, creating a 2/1 Phyrexian Myr artifact creature token.
When the Phyrexian Myr enters the battlefield,
Mishra's Warform and
Gonti's Aether Heart trigger, causing you to get four energy counters.
Activate
Mishra's Warform by paying eight energy counters and exiling it, causing you to take an extra turn after this one.
Repeat each turn.