New meta bot lane?

After playing a few games on PBE, trying new runes and picks bot lane, one thing is standing out pretty obvious. Mage supports are coming back. Just thinking about one of my latest games, I went brand supp and i started to game with 40 AP without doran's ring. Got a free spell every minute and had biscuits to keep in me in lane for 12 mins. i still racked up gold. I also noticed that with the change in runes, ADC seems even weaker in the early game. How else to make up the weaker adc than putting a strong AP supp down bot? Anyone else have this inkling in the meta change?
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