Proposed Veigar ult change

As a very long time veigar player who's been on and off playing him since level 10, I recently heard that his enemy AP scaling ratio is being removed. I frankly think this change is fair and healthy for the game but instead of just raw increasing the ratio or base damage, I propose that the "compensation" for this removal of ult damage would be to make it do the current base damage + the 1.0 AP ratio + (X%) Number of stacks by veigar - likely 100%. This sort of scaling would seperate the skilled veigar players who stack to see that reciprocate not only in their AP stat but in the ultimate itself - a fed veigar with a bunch of items doesn't necessarily mean his ult does stupid damage. It would give great distinction compared to other high damage ultimate abilities because you would actively stack to increase its damage. Finally, it fits Veigar's role in terms of lore because it shows his stacking and gaining of power displayed through his final ability (and the oh so sweet "DEEEELEEETEEE" VO from final boss veigar)