Grow your Zynga virtual world with the Reloadable Prepaid Account that lets you earn in‑game currency when you use your Card. Sign up for American Express Serve through select Zynga games and start earning today. Terms apply.
Earn Riot Points with American Express Serve. RP+ is a program that rewards you with RP on everyday purchases. Keep League of Legends in your back pocket to start earning more RP today. Terms apply.