Ersta, Friend to All

+1 Create a 1/1 Human Wizard creature token that's all colors.
−3 Choose a card name from among Enlightened Tutor, Mystical Tutor, Booster Tutor, Imperial Recruiter, and Worldly Tutor. Create a copy of the card with the chosen name. You may cast the copy without paying its mana cost.
−8 You get an emblem with "At the beginning of your upkeep, if you control twenty or more Wizards, you win the game." Ersta, Friend to All can be your commander.