Amazon offers Prime members Guilty Gear Xrd Sign: Limited Edition for PlayStation 4 for $24.16 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping costs $4.98.) That's $3 under our October mention and the lowest total price we've seen. (It's a current low by $29.)

Orders placed by December 22 are guaranteed to arrive in time for Christmas via Prime shipping.