Malzahar.
For everyone to do this math with me here!
Level 6 
Skills are E, Q, W, E, E ,R.
With
and 
is running Predator, Cheapshot, Eyeball Collector, Any hunter (Ultimate hat if placed her), Scorch, and Transcendence.
40 Ap from Lost Chapter + 18 from Runes + 2 from Eyeball Collector (saying two stacks).
Both Scorch and Cheap shot are 50 true damage combined.
Predator is 110 damage.
Q: 70 + (.65 x 60)= 109 Magic Damage W: 5 + 12 + 0 + (60 x .2)= 29 per auto attack E: 150 + (.8 x 60)= 198 Magic Damage over 4 seconds R [Beam]: 125 + (.8 x 60)= 173 damage over 2.5 seconds. R [Null Zone]: 1% + .15% Max HP per .5 seconds or 2.3% max hp per Second (Lasting up to 5 seconds)
919.8 * (.115/2) [Over 2 because only half of the 5 second duration]
Conditions are.
has 37 Magic Resist and 919.8 HP at level 6. This isn't even considering any runes or items. 37 MR is about 27% damage reduction to magic damage. (This is may be over/under the actual value)
Zed does not sit in Null Zone longer than 2.5 seconds, Zed does not allow for Malzahar to get his E off of cooldown again, Zed does not have any additional MR or HP from items, and Voidlings getting 4 auto attacks off.
Assuming that 
Gets to
E, Q, W, R.
's damage output to someone like Zed with No additional MR or HP is 611.005.
This assumes that
's voidlings gets 4 auto attacks off.
If we increase the voidlings auto attacks to 9 auto attacks that brings
's damage from 611.005 to 716.855.
Now I want you to say that with Zed, who lands everything. LB who lands everything. Cass, Azir, and a number of other mages. Just think about it. I mean I get that mages aren't suppose to instantly kill things early. But if you let a Azir or Cass get you to where they want you to be, you will die in the same time frame.
For all of those people who actually say that Malzahar is a brain dead champion, clearly don't realize every Malzahar player has to play like a bitch because they know they can never kill someone by themselves without the other player making massive mistakes prior to it.
At higher levels after he gets items, he becomes a threat. But in lane he can't do anything. YOU HAVE TO MAKE MISTAKES.
If you agree or disagree please leave a comment below!
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are more healthy for the game (against mobility ) than malz . You can argue if LB and cie are healthy or not, but its another topic.