User blog comment:ClariS/The Ideal ARAM Team/@comment-4947142-20130505035021

Lux/Nidalee/Xerath - Mages with massive poke. Really annoying.

Varus/Ezreal/Caitlyn - ADC with massive poke, because you don't want the enemy to stack MR do you?

Soraka/Sona/Taric - Support to heal and rearm your poking machines.

Master Yi/Katarina/Kha' Zix - Clean up crew. But when they're not cleaning up they can poke.

Ryze/Zyra/Fiddlesticks - Another mage for good measure. However this one is more geared towards the teamfights. When there are no teamfights, they poke.