The kind of card that would be fixed with it's stats reversed
While buying Pokmon cards could be fun, you need to be sure you are obtaining real cards
If an effect allows you to cast instant spells from your graveyard, you could cast Valakut Awakening, but you couldn't play Valakut Stoneforge
Jace, the Mind Sculptor was the one and only time we had put four abilities on a single Planeswalker (okay, okay, Garruk Relentless/Garruk the Veil-Cursed had fourwell, five, actually, but that was over two sides)
These days hexproof creatures serve a similar function in a Slippery Bogle deck in Modern, but you cant target your shrouded Nimble Mongoose and suit them up like you can Bogle
If you can afford the expensive four set of these (They are $1300+ for heavily played versions) then you can have the best chance of drawing one or four as well as the chance for a dreaded double-Workshop hand