Charge. If the yuan-ti dragoon moves at least 30 feet straight toward a target and then hits it with a glaive attack on the same turn, the target takes an extra 10 (3d6) slashing damage.

Magic Resistance. The yuan-ti has advantage on saving throws against spells and other magical effects.

Multiattack. The yuan-ti dragoon makes three attacks: one with its glaive and either two with scimitars, or one with scimitars and one with a bite attack.

Glaive. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 14 (2d10+4) slashing damage.

Scimitar.  Melee Weapon Attack: +7 to hit, reach 5ft., one target. Hit: 10 (2d6+4) slashing damage.

Bite. Melee Weapon Attack: +7 to hit, reach 10ft., one target. Hit: 8 (2d4+4)  piercing damage plus 7 (2d6) poison damage.

Javelin. Ranged Weapon Attack: +7 to hit, range 30/120., one target. Hit: 10 (2d6+4) piercing damage.