Is Stalked Researcher legal in Standard, Modern, and Commander?

Stalked Researcher is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Stalked Researcher

Q: What type of card is Stalked Researcher?

Stalked Researcher is a Creature — Human Wizard. Its oracle text reads: "Defender Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, this creature can attack this turn as though it didn't have defender."

Creature — Human Wizard

Defender

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, this creature can attack this turn as though it didn't have defender.

Set Duskmourn: House of Horror

Rarity Common

Mana Value 2

Artist Marta Nael

Collector # 73

Scryfall Gatherer