I'd go for Fiddle too. He has a good Team support and power AoE damage, totally invaluable to the team.
Anivia is a hard champion to play, but powerful if played well.
Ryze and Veigar has insane burst damage and probably some of the best nukes in the game, and with rather good team potential/AoE power.
Kassadin is good too. Haven't seen him much nowadays, but he's good.
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