GameFly offers a Movies only plan, and below are the promotional introductory prices:
1 Disc Blu-ray & DVD, $6/month for 3 months, $9.95/month after
1 Disc 4K Elite, $11/month for 3 months, $16.95/month after
2 Disc Blu-ray & DVD, $11/month for 3 months, $16.95/month after
2 Disc 4K Elite, $114/month for 3 months, $21.95/month after