Theorealize Overdrive
Quick-Play Spell

You can only use the (1) and (2) effects of cards with this card's name once per turn.
(1) Target 1 "Melius the Pure" in your GY/banishment; Special Summon it.
(2) During your Main Phase: You can banish this card from your GY, then target 1 face-up monster you control and declare a Level between 1~10; change that monster's Level to the declared Level until the end of this turn.