Grade With Us
A holographic version released in English recently only, adding to the Japanese edition's desirability
Playing cards in Digimon involves using memory, and using memory pushes the memory gauge in your opponents favor, essentially giving them more resources to work with during their turn
The card appeals to collectors interested in visually attractive and thematic character cards
Humility/Prayer was so monstrously effective at making the game entirely about protecting the lock, having a Counterspell that could buyback was backbreaking, even if it required discarding multiple cards to do so
Moonveil Regent, Terror of the Peaks, Leyline Tyrant, Immersturm Predator, Manaform Hellkite, Thunderbreak Regent are actively great cards to play normally, and the rest you actively want as you get them for free, and the reason you didn't want them before is for being overcosted