Blink Cat

Hyper Keen Smell. The cat has advantage on Wisdom (Perception) checks that rely on smell. The cat can magically detect scents of creatures that are invisible.

Darkvision. The cat has darkvision for 60 feet. It can see in dim light within 60 feet as if it were bright light, and in darkness as if it were dim light. It can't discern color in darkness, only shades of gray. 

Claws. Melee Weapon Attack: +0 to hit, reach 5 ft., one target. Hit: 1 slashing damage.

Teleport (Recharge 4–6). The cat magically teleports, along with any equipment it is wearing or carrying, up to 40 feet to an unoccupied space it can see. Before or after teleporting, the cat can make one claw attack.