Clockwork centaur

Agile combatant. Clockwork centaur is fast and agile, it can use 1 dodge action once per turn regardless of whether or not it has attacked that turn unless immobilized or in some other way restrained (must role dex savings throw of 15+ to dodge or else dodge fails)

multi-attack. this monster can attack twice in its turn.

Centaur charge.Clockwork centaur charges the opponent with its lance with advantage on attack role, opponent is prone on successful hit (savings throw of dex14+).

Centaur charge. Melee Weapon Attack: +5 to hit, reach 10 ft., 1 target. Hit: 1 (2d8 + 4) [piercing] damage. 

Lacne strike. Clockwork centaur attacks with its lance. Melee Weapon Attack: +5 to hit, reach 5 ft., 1 target. Hit: 1 (2d6 + 3) [piercing] damage. 

Steel hoof kick. Clockwork centaur attacks with its hoofs dealing brutal damage. Melee Weapon Attack: +3 to hit, reach 5ft., 1 target. Hit: 1 (2d8 + 4) [bludgeoning] damage. 

Lance throw. Clockwork centaur throws their lance, until the lance is retrieved clockwork centaur is considered unarmed and is unable to use "lance throw" "Centaur charge" or "lance strike" until it has retrieved its lance RangedWeapon Attack: +4 to hit, range 30/40 ft., 1 target. Hit: 1 (1d12 + 4) [piercing] damage.

capable of using its bonus actions once every turn

Dodge. roll a dex Savin throw of 14+ dodge an attack.

Centaurs call. Clockwork centaur blows into its horn calling upon its kin for assistance. This action can only be used once. (Counts as a bonus action) 

Effect: roll 1D4 to determine how many clockwork centaurs are called into the fight. (Summoned clockwork centaurs cannot use this ability)