Who would be the most annoying? why?
Lux. Five lazers at once.... dear god bum rush a lane and ult at one time.

5 Karthus.

Once they all hit lv 6, there would be no mercy. .__.

5 Eves.

Other team: Hey, let's engage them in a team fight!
Team Eve: Yes! Die!
*Two guys on Other Team die*
Other team: Kill them now! Hey...wait...where did they?
*Two more guys die*
Last guy: Guys? Guys? Where are you?
*ACE!*

unholy.

3 Nauts, one AD and one AP carry.

The enemy team will never get away.

5 lulu. rofl. lmao.

5 Sorakas band together, causing their passives to overlap. They recharge each other's mana, restore each other's health, and rain down 5 Starcalls at once, lowering magic resist 5 times over.

Welcome to the end days.

5 teemos...
SHROOMS EVERYWHERE!!!