Is Gathering Stone legal in Standard, Modern, and Commander?

Gathering Stone is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Gathering Stone

Q: What type of card is Gathering Stone?

Gathering Stone is an Artifact. Its oracle text reads: "As this artifact enters, choose a creature type. Spells you cast of the chosen type cost {1} less to cast. When this artifact enters and at the beginning of your upkeep, look at the top card of your library. If it's a card of the chosen type, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard."

Artifact

As this artifact enters, choose a creature type.

Spells you cast of the chosen type cost less to cast.

When this artifact enters and at the beginning of your upkeep, look at the top card of your library. If it's a card of the chosen type, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

Set Lorwyn Eclipsed

Rarity Uncommon

Mana Value 4

Artist Paolo Parente

Collector # 257

Scryfall