Ryze is still trash tier... Here are some buffs to make him viable again.
As the title says...
is currently sitting at a 42%-44% winrate:
http://champion.gg/champion/Ryze/Middle?league=
http://www.lolking.net/champions/ryze#/overview
http://www.op.gg/champion/ryze/statistics/mid
Q: Overload
Damage increased from 60/85/110/135/160/185 to 120/140/160/180/200 plus 24% all ranks of the target's maximum health
Bonus damage increased from 40/50/60/70/80% to 60/70/80/90/100%
W: Rune Prison
Damage decreased from 80/100/120/140/160 to 60/70/80/90/100
Root duration increased from .75 seconds to 1.5 seconds all ranks
E: Spell Flux
Damage increased from 50/75/100/125/150 to 100/125/150/175/200