Is Archway of Innovation legal in Standard, Modern, and Commander?

Archway of Innovation is legal in: Modern, Legacy, Vintage, Commander, Historic.

Archway of Innovation

Q: What type of card is Archway of Innovation?

Archway of Innovation is a Land. Its oracle text reads: "This land enters tapped unless you control an Island. {T}: Add {U}. {U}, {T}: The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)"

Land

This land enters tapped unless you control an Island.

: Add .

, : The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for .)