Multiattack. The guard drake makes one Bite attack and one Tail attack.
Bite. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:7 (1d8 + 3) piercing damage.
Tail. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:6 (1d6 + 3) bludgeoning damage.
A guard drake is a reptilian creature created out of dragon scales by means of a bizarre and grisly ritual. When trained properly, a drake is obedient and territorial, which makes it an excellent watch beast that can follow simple commands.