Is Ayesha Tanaka, Armorer legal in Standard, Modern, and Commander?

Ayesha Tanaka, Armorer is legal in: Legacy, Vintage, Commander.

Ayesha Tanaka, Armorer

Q: What type of card is Ayesha Tanaka, Armorer?

Ayesha Tanaka, Armorer is a Legendary Creature — Human Artificer. Its oracle text reads: "Whenever Ayesha Tanaka attacks, look at the top four cards of your library. You may put any number of artifact cards with mana value less than or equal to Ayesha Tanaka's power from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order. Ayesha Tanaka can't be blocked as long as defending player controls three or more artifacts."

Legendary Creature — Human Artificer

Whenever Ayesha Tanaka attacks, look at the top four cards of your library. You may put any number of artifact cards with mana value less than or equal to Ayesha Tanaka's power from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

Ayesha Tanaka can't be blocked as long as defending player controls three or more artifacts.

Set Dominaria United Commander

Rarity Rare

Mana Value 5

Artist Aurore Folny

Collector # 29

Scryfall Gatherer