The Keeper of Favorite Cards

Legendary Creature — Human Soldier2/3$10.25

Whenever The Keeper of Favorite Cards enters or attacks, choose a nonland card name and add it to your favorites list for this game. (You can have limitless favorites.) Your favorite creatures get +1/+0. Whenever you cast one of your favorite noncreature spells, create a 1/1 white Soldier creature token.

Not legal in Commander

View The Keeper of Favorite Cards on Scryfall