what is a card effect in yugioh Yugioh: 13 Best Instant Win Cards, Ranked Xyz Effect - Yugipedia

The app doesnt even offer the ability for players to pay using real-world currency

Each Pack includes 11 cards (1x holo basic energy card is included in each pack)

As such, the ranking is as much about the tribes and their playability in Commander as it is about the individual cards

Magic: The Gathering's Most Expensive Cards Are From Final Fantasy The most expensive cards in Magic: The Gathering 's history certainly include the recent single-copy The One Ring, which was printed in the Lord of the Rings set and later sold for an eye-watering $2 million, and it could even increase in value over time

So it isnt really an error

Each damage they take mills them for one