Bro, you won't need to use Roost after +2 Speed, SAtk and SDef boosts. All you're gonna worry about is Ice Shard. Also, Roost is not uncommon on Dragonite.
Also, Baton Pass is still a top tier threat. Here are some new moves they obtain:
- Scolipede gets Amnesia (+2 SDef; with Iron Def, this...