How would you craft this into something awesome?

Probably try to fracture the all spells and then anull and chaos roll for increase spell damage and build from there.

So crit essence or cast speed essence, desecrate prefix but don't reveal, then fracture.

If you land the spell skill, then chaos orb for t1 increase spell damage.

If you don't, i would reveal desecration and try to take mana. Then slam a perfect exalt with prefix Omen.

Then omen of light off the mana, and slam perfect exalt with prefix Omen again.

if that lands you increase spell damage and another gain as extra.. then sick. If not it's going to get expensive very fast. (I doubt I would continue past this point if my prefixes didn't align properly)

Then when prefixes are Increase spell damage, Gain as extra, gain as extra, desecrate last suffix looking for the cast speed OR crit you didn't essence. Omen of light and repeat until done.