Chai, Guardian of Nala

Companion — Each creature card in your starting deck is a Cat, Elemental, Nightmare, Dinosaur, or Beast card. (If this card is your chosen companion, you may cast it once from outside the game)

Vigilance

Each other creature you controls that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance.

When Nala succumbs to fear Chai never fails to
protect her sister