Quintorius, the artifist

+2: target artifact becomes a aritifact spirit with power and toughness equal to its mana cost
-8: you get an emblem with artifaxts you control have base power and toughness equal to it's mana cost and gain haste.
-12: Create Strixhaven a legendary artifact token with ten stone counters, a stone counter adds one mana to this artifacts mana cost