Doubt they will go away from per core pricing. Most SQL servers are VMs so you can assign as many cores as you want. I do expect them to give bulk pricing for more cores. So 4 core=$x, 16cores=$3x, 64cores=$10x.
Oracle says "Haha, no."
Oracle says "Looks like our profits will double each time AMD doubles the core count of their flagship chip."
Larry Ellison needs a bigger yacht, time to re-up your Oracle per core licensing agreement.