Is Sphinx of Clear Skies legal in Standard, Modern, and Commander?

Sphinx of Clear Skies is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Sphinx of Clear Skies

Q: What type of card is Sphinx of Clear Skies?

Sphinx of Clear Skies is a Creature — Sphinx. Its oracle text reads: "Flying, ward {2} Domain — Whenever this creature deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.)"

Creature — Sphinx

Flying, ward

Domain — Whenever this creature deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.)

Set Dominaria United

Rarity Mythic Rare

Mana Value 5

Artist Valera Lutfullina

Collector # 67

Scryfall Gatherer