Is Coalition Construct legal in Standard, Modern, and Commander?

Coalition Construct is legal in: Historic.

Coalition Construct

Q: What type of card is Coalition Construct?

Coalition Construct is an Artifact Creature — Construct. Its oracle text reads: "As Coalition Construct enters, choose a creature type. Coalition Construct is the chosen type in addition to its other types. When Coalition Construct enters, other creatures you control of the chosen type and creature cards of that type in your hand perpetually get +1/+1. Power/Toughness: 2/2"