how much can i get for my yugioh cards 4000+ MIXED BULK CARD LOT FROM HUGE COLLECTION COMMONS RARES & 100 HOLOS : Toys & Games 2020 Yu-Gi-Oh! Cards - Multiple

That changes with Alliance Insight

It sees play in dinosaur decks in formats like Explorer, especially against red/green decks

Deck 8.9 31 Dark Magician the Dragon Knight Fusion Monster Effect Monster - 8 Dragon 3000 2500 "Dark Magician" + 1 Dragon monsterThis card's name becomes "Dark Magician" while on the field or in the GY

bulbapedia.bulbagarden.net Good Manners (Gym Heroes 111) - Bulbapedia, the community-driven Pokmon

Once per turn (Quick Effect): You can Tribute 1 "Crusadia" or "World Legacy" monster this card points to, then target 1 face-up card your opponent controls

As such, this pseudolegendary mons first appearance in the TCG was always going to make for an important and valuable card