standard european card sleeves Sleeve Kings (59x92mm) 100 Microns, Pack of 55 : Toys & Games Paladin Card Protectors will prevail in the harshest gaming conditions Tristan Standard European Board Game

I could also side out the Greasefangs and rely on Valors as more of a Decree of Justice in some matchups

Dark Spirit of Banishment X DARK Level 3 [ Fiend / Effect ] ATK 1600 DEF 0 If your opponent's monster attacks, at the start of the Damage Step: You can send this card from your hand or field to the GY, then target 1 Level 8 Fiend monster in your GY

Wash your hands, stay warm, and stay safe

The price of a Klefki (Shiny Treasure ex [SV4a] 264/190) card is 1,550 JPY (~US$10)

In the Spanish dub of the anime they are named "Animado"

Stick to reputable platforms like eBay, TCGPlayer, and Amazon for buyer protections