Is Utrom Monitor legal in Standard, Modern, and Commander?

Utrom Monitor is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Utrom Monitor?

Utrom Monitor is an Artifact Creature — Utrom Scientist. Its oracle text reads: "Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying (This creature can't be blocked except by creatures with flying or reach.)"