So they need to be healed => utility is nice.
I saw that a scaling comp has a good chance to win if she is able to tempo a lot by pushing aggressivly while the ennemy is doing nashor or else. So my moto actually is to find a good scale and a good teamfight comp more than everything, add just one support, dunno if 2 supports is worth it.
For the champions, Developpers balanced their power a bit, and i see more and more viable champions. Cool to train a pocket pick, but it's easy to counter in a league game because people can view your player's training and adjust their strategy.
By the way, don't go one trick, so easy to counter, diversify your pool, try to make it different from the opponent so the bans cannot deny all your champs.