card sleeve lanyard Badge Holder with 2 Leather Easily Holds 1 to 6 Cards, Trifold Heavy Duty ID Holder, for Nurse Teacher School Medical Law Enforcement : Office Products features nickel Card Holder with Lanyard -

This card can search for any Horus card, even a Black Flame Dragon

Lunalight Silver Hound X DARK Level 3 [ Beast-Warrior / Effect ] ATK 1400 DEF 400 If this card is sent to the GY by card effect: You can Special Summon 1 "Lunalight" monster from your Deck, except "Lunalight Silver Hound", but you cannot Special Summon from the Extra Deck, except "Lunalight" monsters, while you control that face-up monster

This is an easily distinguishable card not only was it the first in production, it is the only one in the series with a printing error

And they often have a unique design or special edition release

TL;DR: Walmart has the Pokmon TCG Mega Evolution Perfect Order Elite Trainer Box listed for $68.95

Common and uncommon Base Set cards with square cuts typically sell in the $100 to $500 range