Turbo-Tainted Hot Rod GT19

FLIP: You can declare a Level from 1 to 9; this card becomes that Level until the end of this turn. After this card has been flipped face-up, during any Main Phase (Quick Effect): You can target 1 other face-up monster on either field; immediately after this effect resolves, Synchro Summon 1 monster using only this card and that target. You can only use 1 "Turbo-Tainted Hot Rod GT19" effect per turn, and only once that turn.