Is Spotter Thopter legal in Standard, Modern, and Commander?

Spotter Thopter is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Spotter Thopter

Q: What type of card is Spotter Thopter?

Spotter Thopter is an Artifact Creature — Thopter. Its oracle text reads: "Prototype {3}{U} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying When this creature enters, scry X, where X is its power."