@lienielsen Was just an example. Insert any other planeswalker there if it's better for you.
Removing any PW with this is a terrible deal. Not only they still get 1 activation, which usually is already card advantage, but you 2 for 1 yourself to remove it. So it's a 3 for 1, which is not where you want to be. That enchantment that deals 5 damage every eot is better, and even that's a bit bad.
Also, this doesn't even kill Oko.