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Theres some cards, like Steel Leaf Champion and Yorvo, Lord of Garenbrig who have pushed power for their costs, too

Are Foils More Rare

Activating the card requires you to declare a direct attack with a Monster with 1500 or less ATK, and then you discard your entire hand (which thankfully is allowed to be as little as 1 card), then excavate the top card of your deck and inflict 500 damage if it's a Monster and then you can repeat this up to 7 more times as long as you keep excavating Monsters

however, none of these were exactly the same as Owners Pokmon cards which had been sporadically released as promotional cards from Gens 4 to 8