Maokai's new ult is too slow to work as an engage ult.
Maokai was originally a Warden tank, a subclass more focused on peeling. So when he was announced in the vanguard update I was confused. I assumed though that they'd make him more aggressive to better match how people are playing him.
This however is just dumb. I'm all for unreliable abilities, as long as they actually have a decent level of player control to showcase some skill (Sion's ult is a perfect example of this with his wall drifting).
This ult however not only lacks much control beyond when you summon it (at least to me) but is also laughably unreliable. It moves so slow that you'd need someone on your team to land some hard CC on the enemy to hit them with it.
I know it's as wide as the lane, but this is an ability you're expected to start a teamfight with on Maokai. This is his engage ultimate, yet it looks like it needs to be used as a follow up engage to be effective. Or as a counter engage (not sure how it works towards dashes).
This ult needs some changes imo. I'd make it thinner for increased speed if that didn't just make it a rooting Nami ult.
Edit: So it has come to my attention that Maokai is still considered a Warden tank. If that is the case, then I do not worry about this ult being an engage ult.
: Welcome!

: Hey Xayah, Maokai just ulted at us.
: Oh ok, lets just recall then.