Is Guardians of Koilos legal in Standard, Modern, and Commander?

Guardians of Koilos is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Guardians of Koilos

Q: What type of card is Guardians of Koilos?

Guardians of Koilos is an Artifact Creature — Construct. Its oracle text reads: "When this creature enters, you may return another target historic permanent you control to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)"

Artifact Creature — Construct

$0.07 ↗20 similarCommander, Modern

When this creature enters, you may return another target historic permanent you control to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

Set Dominaria

Rarity Common

Mana Value 5

Artist Yeong-Hao Han

Collector # 216