Whenever another Bear you control enters, choose one — • Put two +1/+1 counters on target Bear. • Target Bear you control fights target creature you don't control.
2019-06-14
Either of Ayula's modes can target any Bear you control, not just the Bear that entered the battlefield. Ayula can even be the target of its own ability.
2019-06-14
For Ayula's second mode, if either target isn't a creature or is otherwise an illegal target as the ability resolves, no creature will deal or be dealt damage.