The Legend of Arena — 2018 Heroes of the Realm #4

The Legend of Arena can be your commander.

I, II — Create a 2/1 red Human Wizard creature token. Spells you cast this turn cost less to cast for each Wizard you control.

III — Search your library for a planeswalker card, put it onto the battlefield, then shuffle your library. It enters with an additional loyalty counter on it for each Wizard you control.