Each booster pack includes 15 cards to add to your collectionand you can expect one of those 15 to be a rare or mythic rare
Its stronger, however, because of two things: The infamous combination of Strip Mine and Crucible of Worlds to get rid of all of your opponents lands and powerful synergy with cards like Oracle of Mul Daya to play tons of lands
Thankfully, being moderately or heavily played actually decreases the chances that you're buying a counterfeit because it's not all that easy to make counterfeit cards look like they are played (and making them look played lowers the value)
As of today, three and a half years after the mechanic's introduction, there have been no new Disturb cards, and of the 25 original Disturb cards only four saw reprints in Innistrad Remastered
This card can be awkward, but it solves just enough major problems just well enough that I still like it a lot regardless
The two are on opposite spectrums, and both with massive followings that crossover with Magic players