Is Boseiju, Who Endures legal in Standard, Modern, and Commander?

Boseiju, Who Endures is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Boseiju, Who Endures

Q: What type of card is Boseiju, Who Endures?

Boseiju, Who Endures is a Legendary Land. Its oracle text reads: "{T}: Add {G}. Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control."

Legendary Land

$46.17 ↗Commander, Modern

: Add .

Channel — , Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs less to activate for each legendary creature you control.