So I've noticed that some champions are high skillcap - high reward, and that some are an extreme of that. Imagine this team comp: Irelia Top, Viktor Mid, Lee Sin Jungle, Jayce ADC, and Lulu Support. What's similar is their extreme utility, damage, and survivability.
Irelia has natural sustain and tenacity, high DPS, and a dash and a stun.
Viktor has trading power, poke, burst, shield, an AOE stun, AOE silence, and great teamfight control.
Lee Sin is energy-based with amazing energy sustain, two dashs, two vision granting abilities, sustain, shield, slow, and knockback.
Jayce has a team movement speed boost, long-range poke, AS boost, targeted dash, slow, knockback, stun, and mana sustain.
Lulu has a slow, shield, haste, complete disable polymorph, knock-up, and health boost.
Isn't this the best team comp?