Consider adding additional elements from your cardmaking supplies
The updated 2021 Mystery Booster: Convention Edition release through WPN stores featured several changes, including the removal of some cards and new artwork for two playtest cards
The fakes holographic effect is a major giveaway, featuring overly large, unnatural blue sparkles that look printed on rather than reflecting like real foil, and its noticeably blurry text points directly to a low-resolution scan
Since this Fox is so cheap, you can drop it turn two, turn three an Aura to enchant it, like Unquestioned Authority, to give it pro creatures to swing and then draw, and then Tutor out the double strike giving Battle Mastery and attack for four unblockable
Zangoose While it crumbles against fighting types, this is effectively a better Druddigon, able to attack and retreat much more easily
Monster Effect: 2 Level 6 "Zodiac" monsters If you can Pendulum Summon Level 4, you can Pendulum Summon this Face-Up card in your Extra Deck