User blog comment:Willbachbakal/(Champion Rework) Veigar, the Tiny Master of Evil/@comment-24063440-20150221014509/@comment-1330314-20150221204612

Veigar actually has better AP scalings overall ( instead of his current ) and can farm AP a lot more easily, since his AP gain is no longer tied to his Q. You'd also need 2500 AP to begin dealing more damage with your ult in all situations (though less against AP champions).