Performapal Cheermole
[ Pendulum Effect ] 
All Pendulum Monsters you control gain 300 ATK.
[ Monster Effect ] 
You can target 1 monster whose current ATK is different from its original ATK; apply the appropriate effect. You can only use this effect of "Performapal Cheermole" once per turn.
● If that monster's current ATK is higher than its original ATK, it gains 1000 ATK.
● If that monster's current ATK is lower than its original ATK, it loses 1000 ATK.