I honestly think veigar has a toxic play style.
Both veigar and syndra have a similar style in the whole single target nuke complex. But syndra feels so much more fair to lane against. all of her abilities are not to hard to dodge, where as veigar on the other hand has a stun that lasts a long time that is around half the size of a lanes width, has a very low visability W, a fast moving q that goes through another champion or minion. Syndra requires using abilities correctly to maximize her ultimate damage, where as veigar kind of just hits R when ur half hp and you die. TL/DR fuck veigar, not saying hes op. But hes possibly my least favourite champion to lane against.