Is Great Desert Prospector legal in Standard, Modern, and Commander?

Great Desert Prospector is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Great Desert Prospector

Q: What type of card is Great Desert Prospector?

Great Desert Prospector is a Creature — Human Artificer. Its oracle text reads: "When this creature enters, create a tapped Powerstone token for each other creature you control. (They're artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") *"Hello, beautiful."* Power/Toughness: 3/2"

Creature — Human Artificer

When this creature enters, create a tapped Powerstone token for each other creature you control. (They're artifacts with ": Add . This mana can't be spent to cast a nonartifact spell.")