T.G. Screw Serpent

If this card is Normal or Special Summoned: You can target 1 Level 4 or lower "T.G." monster in your GY, except "T.G. Screw Serpent"; Special Summon that monster, but its effects are negated. You can banish this card from your GY, then target 1 "T.G." monster you control; increase or reduce its Level by 1 until the end of this turn. You can only use each effect of "T.G. Screw Serpent" once per turn.

Sea Serpent WATER Tuner Monster 4 effect