Tamiyo, Soratami Annalist

+1: You may return a land you control to its owner's hand. If you do, draw a card and create a 1/1 blue Illusion creature token with flying.
-7: You get an emblem with "Replace all instances of 'target' on instants and sorceries you cast with 'each'."
: Tamiyo, Soratami Annalist can be your commander.