pokemon card zubat 1st Edition (70) 2000 Rocket Revealing Echo Once during your turn Pokemon Team Rocket Common Zubat

Caring for Your Gold Cards To maintain the value of your gold Pokmon cards, proper care is essential: Use Protective Sleeves : Store cards in high-quality protective sleeves or hard cases

Mushu's first ability protects the already tanky Steel characters by giving them all Resist plus two whenever they challenge an opponent, reducing their damage by two

Unexpected Windfall earns its place by drawing the player two cards and generating two treasure tokens (which tap and sacrifice themselves to generate one mana of any color each)

You could try weighing the card, but I dont think the removal of the very tips of each corner would be easy to detect on a scale