User blog comment:Willbachbakal/(Item Concept) Fixing Mana/@comment-24385282-20151208152009/@comment-1330314-20151208152338

If you were to read the Details -> Mana champions section, I specifically mentioned removing Ryze's mana scalings completely, instead increasing his passive's shield scaling per level and making his damaging abilities deal a portion of it, effectively scaling by similar amounts each level.