Grats
I never have much luck with Necro or when there's a Necro on my team. I think the existence of Glimmer Cape and buffs to Pipe of Insight and Hood of Defiance have made it entirely too easy to counterplay that hero even without specifically counterpicking him (sup Oracle, sup Omni.)
I fucking loathe the trend of turning ults into pure damage, but at this point I wonder if that's what needs to happen to him. Nerf the total damage of his ulti (since it won't need to bypass MR anymore) and turn it into pure damage instead. It's too easy to basically remove that hero from the game with a 1900 gold item.