A new PvP talent called Precognition will be available to casters in the Dragonflight pre-patch. It increases your Haste and makes you immune to crowd control for a short time if an interrupt is used on you while you’re not casting.

Precognition – If an interrupt is used on you while you are not casting, gain 15% haste and become immune to control effects for 4 sec.

To make the most out of the talent, you will need to fool your opponents with fake spell casts and make them cast interrupt when you’re not casting. This will increase your haste by 15% and make you immune to crowd controls for up to 4 seconds.