Acrobatic Cheerleader

Survival — At the beginning of your second main phase, if Acrobatic Cheerleader is tapped, put a flying counter on it. This ability triggers only once.

Wizard from Beyond

Create a Character (Any nonlegendary creature can choose this as its Background. It becomes legendary and can be your commander.)
Commander creatures you own are Clerics, Rogues, Warriors, and Wizards in addition to their other types.
As long as you have a full party, if an ability of a creature you control triggers, that ability triggers an additional time.