pokemon booster box 2017 8 Best Boxes then seek out the Legendary Pokémon Solgaleo Pokemon 2017 Collectors Chest

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If another monster(s) leaves the field by your Normal Trap effect (except during the Damage Step): You can destroy 1 card in your opponent's hand (at random) or their field

Card Text 2 [Special Rule] Overflow (-4) (As this card moves from the field or under a card to an area other than those, lose 4 memory.) Card Q&A Q4024 Nov

This isnt bad, but, frankly, the original field spell they have is one of the best in the gameit lets the player draw twice in one turn, and this doesnt do anything to out do that

From my understanding there is no way to prove these are factory square cards, or if someone cut them from a sheet, correct