It has a few niche uses. Use it from your spread with a group wide buff at the very start, use it on yourself for a LA if you need it, or what you should do most of the time...Royal Road it.

If it reduces the CDs of spells before they're used AND when spells are on CD, then it would be worth using way more. Currently, it's total garbage, which is what you want out of a card, really. /s