LeBron James of the Los Angeles Lakers. NBAE via Getty Images There will be an abundance of starpower on display in the NBA playoffs Saturday, and you can get in on the action at Polymarket by using the Polymarket promo code NYPMAX .  When new users sign up and enter the Polymarket promo code NYPMAX , they will get an instant $20 bonus after making a $20 deposit.  This bonus can be used for Game 3 between the Pistons and Cavaliers, or the nightcap between the Thunder and Lakers . You can also use the Polymarket promo code on any other market on the platform. How the Polymarket promo code NYPMAX works New users who sign up with the Polymarket promo code NYPMAX can receive a free $20 trading bonus, provided they make an initial deposit of $20. Use the Polymarket invite code NYPMAX for instant access to the Polymarket mobile app: Deposit $20 to get a $20 bonus, with the  Polymarket promo code NYPMAX  to skip the waitlist. Where can I sign up for Polymarket?…