For five mana, this Artifact lets you pay two mana and tap it to roll a dice, then you have to subtract the number of cards in your hand from the result, and if the result of that is 0, you have to discard your hand
Many of the best equipment and equipment payoffs simply weren't in print at the time, like Colossus Hammer or Sigarda's Aid, and ones that were in print (Stoneforge Mystic, Puresteel Paladin) weren't included because that's how precons roll, I guess
With it being a market, these prices are always estimates, based on historic auction sales and other factors, so the values listed here arent ironclad
Treasure Rare: 1
The draw card option on Cryptic is a big part of that and is the equivalent of the discard on Kolghan's
Even though the price won't be as expensive as selling each card separately, it will still be far more expensive than marketing your Pokmon cards in bulk to secondhand book stores or pawn shops, where the staff frequently has no idea what the cards are worth