Anyone else is concerned how Yorick creates and arena without means to get into it?
J4 ult works because you are locked in with J4.
Yorick will be able to do that only if he is already directly on your face. If you get a juggernaut(and his swarm) on your face and have no dash, you're dead anyway kid. But if you do have a dash, wall helps Yorick in no way. If you are not on his face, he can't can catch you with the wall, but only thing that will happen are few smacks from the maiden.
I love new Yorick (except for the part that he is a good guy protecting Gay Islands now, that sucks hard, but you know, kit is cool), and wall is still big utility when his team is around, but I feel like something's wrong here gameplay-wise. A jugg should be the most scary in 1v1.