There are a wide variety you can use either or both of these cards to fire off some mana intensive way of killings someone
Legitimate packs have consistent packaging quality, proper copyright information, and authentic holographic elements
Theyre definitely not the most competitively viable ones (though I consider game-winning potential to be a necessary ingredient in making cards or decks feel good)
The uncommons and rares sheets also have these purple stickers, but none of the uncommon cards is completely obscured, and the one rare which is completely obscured can be assumed to be a Scizor, since it only appears in five other places on the sheet which ought to contain R6 and R7 cards
The only thing that limits it from being the second coming of Skullclamp is a pretty heft equip cost of four, but if youre playing an Equipment deck, there are a ton of ways to work around it: Astor, Bearer of Blades