If they were for your own personal collection with no intention of selling them on, or to avoid wearing down a legitimate copy you already own, I could definitely understand the reasoning for owning them
Jigen Bakudan
Our graders follow strict internal guidelines covering centering, edges, corners, surface quality and authenticity checks, ensuring every submitted item receives a fair grade based on evidence and standardised rules
As a cherry on top, Yokuru and Lantern can add a non-aqua K9 monster or a K9-named spell/trap card respectively once they stick to the field
(This Digimon checks 1 additional security card.) BT3-011 U Digimon Lv.4 Greymon Color Red Cost 5 DP 4000 Digivolve Cost 1 Red 2 from Lv.3 Form Champion Attribute Virus Type Dinosaur Card Text 1 [Effect] [Security] At the end of the battle, play this card without paying its memory cost
Increase the cost and you can likely do better