(just posting this to get it confirmed by infernal somewhere, I know the answer)
Can the Warbeasts with spells on their cards be used by those Warbeasts and their Leaders as if they were an Animus?
Affected Warbeasts:
Deepborn Dire Troll
Reef Troll
Hydrix
Skylla
Vipex
Those are animi, they’re just organized differently than on Legacy warbeasts because they’re attached to modular parts. It could be a bit clearer in the app, it’s probably worth sending feedback using the in-app feedback function. That goes directly to the folks working on the app rather than going from you to an Infernal to the devs