Pendulum Effect
Pendulum Monsters you control gain 300 ATK.
Monster Effect
You can only use this effect of 'Entermate Cheermole' once per turn. You can target 1 face-up monster on the field, whose current ATK is different from its original ATK; apply 1 of these effects.
● If its ATK is higher than its original ATK: It loses 1000 ATK.
● If its ATK is lower than its original ATK: It gains 1000 ATK.