Also obviously comment your choice
Obviously Heimerdinger is OP Tier. Duh.
Seriously though, I would say Orianna+Anivia+Kat+Diana+Ryze+Karthus (just because of that crazy good ult) are best mids. How they rank amongst themselves comes down to personal perception, I'd say.
Morde still terribly strong as usual.
Ahri/Ori/Diana/Eve Tier 1
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