Saje, the Orphanguard

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 put it into your hand
from outside the game for 3 as a sorcery.)

Vigilance

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