Is Visions of Phyrexia legal in Standard, Modern, and Commander?

Visions of Phyrexia is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Visions of Phyrexia

Q: What type of card is Visions of Phyrexia?

Visions of Phyrexia is an Enchantment. Its oracle text reads: "At the beginning of your upkeep, exile the top card of your library. You may play that card this turn. At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")"

Enchantment

$0.30 ↗Commander, Modern

At the beginning of your upkeep, exile the top card of your library. You may play that card this turn.

At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")