User blog comment:GimmeStarfoxWii/If you could have the powers/abilities of any League champion.../@comment-4995152-20130627142944

I'd say it's quite the hard choice. In my oppinion

Fiddlesticks: Summon a large wave of crows at your command to attack anyone. Drain energy from other possibly eliminating the need of sleep. Install fear on one's mind.

Nautilus: Ability to create shockwaves powerful enough to make the ground erupt, said shockwaves could also home in on a specific target. Create a shield on one self.

Nocturne: Wicked awesome blades; Ability to cause people to hallucinate with horrible visions; Create a hand out of darkness; Flying; Shield; Turn surroundings into pitch black darkness.

Shaco: Limited teleportation+Stealth; Jack in the boxes that shoot stuff at people; Duplication.

Singed: Ability to unleash a poisonous cloud; Enhance strength, speed, stamina and other abilities; Flip anything you want no matter how strong.

Skarner: Shoot crystal blasts; Crystal shield; Crystal energy link to drag victims; Crystal energy shockwave.

Viktor: Create thunderstorm cloud; Gravity field; Lazers!

Vladimir: All the blood abilities.

Zac: Ability to stretch; Regeneration; Jumping capabilities; Self 'detonation'.