Is Skitterbeam Battalion legal in Standard, Modern, and Commander?

Skitterbeam Battalion is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Skitterbeam Battalion

Q: What type of card is Skitterbeam Battalion?

Skitterbeam Battalion is an Artifact Creature — Construct. Its oracle text reads: "Prototype {3}{R}{R} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Trample, haste When this creature enters, if you cast it, create two tokens that are copies of it."