A Basic Pokemon Card of type Psychic with the title Mimikyu and 70 HP of rarity Promo from the set SM Black Star Promos and the flavor text: Its actual appearance is unknown. A scholar who saw what was under its rag was overwhelmed by horror and died of the shock. It has the attack Filch with the cost Colorless, the energy cost 1 with the description: Draw 2 cards. It has the attack Copycat with the cost Psychic, Colorless, the energy cost 2 with the description: If your opponent's Pokemon used an attack that isn't a GX attack during their last turn, use it as this attack. 
Mimikyu