yugioh structure deck battle city yu-gi-oh - Seto Kaiba Structure Deck: Yugi | Road

Many players are even willing to spend real money to collect them

These are mostly reprinted cards from past sets

Most Leaders would struggle with this many Events, but this deck's Leader effect allows you to play Events from your hand at a lower cost, and also features multiple Characters that become stronger the more Events are in your trash

For example, while Lurrus of the Dream Den was still legal in Modern and Legacy, it could let you replay Mishra's Bauble from your graveyard repeatedly for more card draw

However, due to factors like overseas demand, some cards like the Magikarp AR have seen their market price rise sharply into the 10,000 JPY (~US$67) range