Awaked horse rogue

Evasion. When he is subjected to an effect that allows a Dex save for half damage, he takes no damage on a success and half on a failure.

Horsesense. Has advantage on Deception checks made to pretend to be a normal, non-sentient horse. Creatures must succeed on a DC 16 Insight check to recognize he is awakened.

Quad-Legged Stealth. He does not suffer disadvantage on Stealth checks due to his size, and can move silently unless on noisy terrain. His hooves are shod with padded shoes.

MultiAttack: Two Hoof Strike attacks, only one of which can be a sneak attack.

Hoof Strike. Melee Weapon Attack: +9 to hit, reach 5 ft., one target.
Hit: 10 (1d10 + 5) bludgeoning damage.

Back Kick (Sneak Attack). If he has advantage or an ally is within 5 feet of the target, he can deal 28 (8d6) extra damage.

Neigh of Misdirection (Recharge 5–6). he lets out a sudden, convincing whinny that distracts enemies. Each creature within 30 feet that can hear must succeed on a DC 14 Wisdom saving throw or have disadvantage on Perception checks and attack rolls against creatures other than Jack until the end of their next turn.

Cunning Action. Can take a bonus action each turn to Dash, Disengage, or Hide.

Uncanny Dodge. When a creature he can see hits him with an attack, he can use his reaction to halve the damage.