I would most definitely have to say morde.
his cooldown and harass is sick. And as soon as he gets a little ap he's a force to be reckoned with.
Then miss fortune followed by Zillean.
Kog'Maw (Living Art)
Zilean (Time Bomb)
Karthus ('Nuff said?)
1. Karthus, 2. Nunu, 3. Malz
Ezreal being my favourite when it comes to harassing, or if you want a good harass/poke mid-late game it's Kog all the way.
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