do penny sleeves damage cards Protect Your Pokemon with Trading Card Penny Sleeves: The

Hajun, the Winged Mayakashi X WIND Level 1 [ Zombie / Effect ] ATK 600 DEF 400 If this card is Normal or Special Summoned: You can Special Summon 1 "Mayakashi" monster from your Deck, except "Hajun, the Winged Mayakashi"

C Common Cyberdark Edge X DARK Level 4 [ MachineEffect ] ATK 800 DEF 800 If this card is Normal Summoned: Target 1 Level 3 or lower Dragon monster in your GY

The most obvious answer beyond that was seeing what rare or mythic rare you opened, or if you found that key uncommon or common for your deck

This card only gets better in a deck that can benefit from discarding cards, typically by either casting them with Madness or reanimating them

Also illustrated by Miki Kudo, you can see its design is much like Charmeleons in a mountainous canyon, but this time at the bottom