Kinda an interesting twist on an old floodgate! Could this be a sign?
BLVO-EN089 Psychic Eraser Laser
Send 1 monster your opponent controls that was Special Summoned from the Extra Deck to the GY, then your opponent gains LP equal to the Original ATK or DEF of that monster (whichever is higher). You can only activate 1 “Psychic Eraser” per turn.
During your turn, negate the effects of all face-up monsters your opponent controls. During your opponent’s turn, negate the effects of all face-up monsters you control.
Source from Dzeeff YouTube