Ultimate Sky 

Quick-Play Spell 

[1] If your opponent controls more monsters than you do: Activate 1 of the following effects (you can only use effect once per turn).

• Target face-up cards on the field, up to the the number of monsters your opponent controls, then pay 800 LP for each target; Negate their effects until the end of the turn.
• When your opponent activates a monster effect in the hand or GY: Negate that effect.