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In the case of White Knight, another factor also plays a role: nostalgia

Dealing three damage to any creature or player for the ridiculously low cost of one red mana, it's a card that seems super simple but allows players using a Red deck a way to take an early advantage

(Long story short, Ghost-Steel was the most resistant to attacks, while Ice-Rock was weakest to the most types.) However, that data was only accurate for Gens 2-5, seeing as it included Dark and Steel type, but didnt cover the Fairy-type that was added in Gen 6

For serious collectors tracking entire product lines across Pokemon, sports cards, and MTG, Enterprise at $300/year covers 500 monitors with 5-minute checks

However, it could be very interesting if it were optional, and if we wanted we could opt for card advantage instead of keeping lives safe, but I think that would be too much to ask