Is Realms Uncharted legal in Standard, Modern, and Commander?

Realms Uncharted is legal in: Modern, Legacy, Vintage, Commander.

Realms Uncharted

Q: What type of card is Realms Uncharted?

Realms Uncharted is an Instant. Its oracle text reads: "Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle."

Instant

Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

Set Rise of the Eldrazi

Rarity Rare

Mana Value 3

Artist Volkan Baǵa

Collector # 206

Scryfall Gatherer