Urza Planeswalker Eternal

+2: Until your next turn, whenever you cast a non-creature spell, you may either: draw a card, or deal 2 damage to any target.
-3: Create an X/X colorless artifact creature token, where X is equal to the total mana cost among non-creature artifacts you control.
-8: You get an emblem with "Whenever you cast a spell, untap all permanents you control."