Rigo, Streetwise Mentor itself gives you a card, and its flexible enough that you can either focus on the attack triggers and saboteur effects (Delney, Streetwise Lookout and Enduring Curiosity, for example), or you can try to overwhelm your opponents with sheer numbers in a token build
Counterfeit cards are most often aimed at people who are new to the hobby or rushing into a great deal. A little knowledge goes a long way in avoiding those traps
The good news is that restocks are on the way
Then, put those cards on the bottom of your library
For more information about a stores restocking schedule, talk to the stores manager
Weve had cards like Suspension Field and Baffling End before and theyve both been excellent in Standard