Ghired, Conclave Exile | Aurelia, the Warleader | Cadric, Soul Kindler

Cards

Aurelia in hand.
Ghired and
Cadric on the battlefield.
An opponent cannot block and kill creatures you control.
({3} magic symbol) ({R} magic symbol) ({R} magic symbol) ({W} magic symbol) ({W} magic symbol) available.

Cast
Aurelia by paying ({2} magic symbol) ({R} magic symbol) ({R} magic symbol) ({W} magic symbol) ({W} magic symbol) .
When
Aurelia enters the battlefield,
Cadric triggers, causing you to pay ({1} magic symbol) to create a token copy of
Aurelia.
Move to your combat phase.
Declare
Ghired and an
Aurelia that has not attacked this turn as attackers, triggering their abilities.
Resolve the
Ghired trigger, creating a token copy of the
Aurelia token that enters the battlefield tapped and attacking.
Resolve the
Aurelia trigger, causing you to untap all creatures you control, and to get an additional combat phase after this one.
Repeat from step 4 each combat phase.