The Legend of Arena

The Legend of Arena can be your commander.
Chapters I and II —
Create a 2/1 red Wizard creature token.
Spells you cast this turn cost {1} less to cast for
each Wizard you control.
Chapter III —
Search you library for a planeswalker card and
put it onto the battlefield, then shuffle. It enters
with an additional loyalty counter on it for each
Wizard you control.