Exhaust- Useful in matchups vs AD champions who have bursts with decent CDs. If you do this when theytry and burst, their damage is dropped greatly and you gain a HUGE advantage in a fight.

Ghost-Good vs fast champions (Ones you will need to chase for an extended period) IE: Nidalee

Heal- Useful for baiting your enemy into moves, allows you to aid your team in teamfights.

Revive- Shen and Pantheon only.... Read More

This is probably the first top facts for a "popular" top lane pick. I have been trying to get mostly fun unusually seen champions (I rarely see Yorick or Fiora, and Nautilus is mostly played as a jungler). However I will see Rivens top as my opponents in a good percentage of my games.

Champion Overview:
Riven is a melee carry (like Fiora), but is more along the lines of an AD caster (who autos in between her spells)... Read More