yugioh duel links ancient gear deck - Speed GX: Duel Academy Box Oh trading and collectible card game (TCG/CCG) ULTIMATE ANCIENT GEAR GUIDE :

Storm World Whats Great About Storm World: This card is a great option for the multiple Rakdos discard decks that are currently in both Standard and Commander The popularity of this card as well as it only being printed in two old sets have caused its high value Value: 168$ 11

Youll often find decks in the game use multiple copies of particularly rare cards, and those who play competitively may need to buy numerous copies just to kit out their deck

The software in Arena most likely didnt include the ability to build a deck around a legendary creature until Brawl was added

They can sometimes be serviceable options in limited formats though