Axiomatic Mind. The construct can't be compelled to act in a manner contrary to its nature or its instructions.
Disintegration. If the construct dies, its body disintegrates into dust, leaving behind its weapons and anything else it was carrying.
Dagger. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit:3 (1d4 + 1) piercing damage.
Javelin. Melee or Ranged Weapon Attack: +2 to hit, reach 5 ft. or range 30/120 ft., one target. Hit:3 (1d6) piercing damage.
Many of the products of Kaladesh's most inventive minds are tools meant to be wielded, piloted, or otherwise employed by other people. But the crowning achievement of the artificer's art is the imitation of life itself, crafting artificial creatures with the capability to move, act, and even make decisions independently, according to a comprehensive set of instructions.