Is Diamond Valley legal in Standard, Modern, and Commander?

Diamond Valley is legal in: Legacy, Vintage, Commander.

What type of card is Diamond Valley?

Diamond Valley is a Land. Its oracle text reads: "{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness."

Land

, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Set Arabian Nights

Rarity Rare

Artist Brian Snõddy

Land Commander Legacy Vintage