Theorealize Overdrive

Target 1 "Medius the Pure" in your GY or banishment; Special Summon it. During your Main Phase: You can banish this card from your GY, then target 1 face-up monster you control and declare a Level from 1 to 10; its Level becomes the declared Level until the end of this turn. You can only use each effect of "Theorealize Overdrive" once per turn.