Performapal Cheermole

Level 2 PS 5 EARTH/Beast Pendulum Effect
600 ATK / 1000 DEF

[ 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.

Rulings – Yugipedia

Printings:

The New Challengers: NECH-EN001 (Rare) - 2014-11-06
2015 Mega-Tin Mega Pack: MP15-EN126 (Rare) - 2015-09-17

Prices:

Cardmarket: 0.09 €
TCGplayer: $ 0.12