Beeg Rat

Keen Smell. Beeg Rat has advantage on Wisdom (Perception) checks that rely on smell.

Standing Leap. Beeg Rat's long jump is up to 30 feet and its high jump is up to 15 feet, with or without a running start.

Pack Tactics. Beeg Rat has advantage on an attack roll against a creature if at least one of the rat's allies is within 5 feet of the creature and the ally isn't incapacitated.

Beeg Rat Supporter. Whenever Beeg Rat is targeted with an attack, any ally within 10 feet of it can use a reaction to jump in the way of the attack, potentially intercepting it. The attacker instead makes the attack roll with advantage against the intercepting creature, dealing regular damage on a hit. If the attack misses, then it can continue it's path and target Beeg Rat as normal.

Pounce. If Beeg Rat jumps 30 ft. straight towards a creature then hits it with a bite attack, the creature must make a DC 13 Strength saving throw or be knocked prone.

Nimble Escape. Beeg Rat can take the Hide action as a bonus action on each of its turns.

Spin (Recharge 5-6). Beeg Rat spins in a circle, using it's tail like a whip. All creatures within 5 ft. must make a DC 13 Dexterity saving throw or take 7 (2d4+2) bludgeoning damage and be pushed 5 ft. away from Beeg Rat.

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (2d4 + 3) piercing damage. Additionally, the creature must make a DC 12 Constitution saving throw or become Poisoned until the end of it's next turn.