As of 2011, the Yu-Gi-Oh! trading card game has sold more than 25 billion cards, snagging the spot as the best-selling card game in the Guinness Book of World Records
2 VALKYRIE ERSTE Erste is capable of getting back the spell card Mischief of the Time Goddess, which is useful enough alone
Granted, it is a lot more durable than the likes of Pheromosa and Aegislash, but it's unlikely to survive too many hits from a half-decent sweeper
Examples of "Jank" cards: Mirror-Mad Phantasm - Very narrow in what it can do in any given deck, but can be used in a very unexpected combo deck Example of using the Phantasm in a "jank" strategy: Laboratory Maniac, Viscera Seer, and Temple Bell
A good example of this is the Iron Jugulis, a Basic card with a 150-damage attack called Baryon Beam