The Ragnarok disc from Viking Discs was PDGA Approved on 3-8-2017.
“Ragnarok is designed for long control drives when you really need tight s-curves and finishing fades. Most players will find Ragnarok very useful in different kinds of situations. By changing your releasing angle, you can shape the s-curve in any creative way you can imagine. Ragnarok can be used for maximum distance from beginners up to advanced players. Even for a fast driver, the rim size is comfortable and easy to grip. Suitable as a first distance driver. Speed 11 Glide 5 Turn -1 fade 2" - by Viking Discs