Funnily enough, if you pass your turn, the AI will always do the same now. So if you'd like an ability to come off CD before the AI gets a chance to move again, you can just keep passing. Or poison them and just keep passing. I mean, it's super broken. And cheesy. But that's what it is right now. Ed...

Stuns in general have been not functioning since the patch. I have stunned pets with different abilities (Tiny Snowman most recently), and have been stunned, even in single battles where they could not swap out, and the entire next turn is lost for both the stunned pet and the one doing the stunning...