Is Sphinx Ambassador legal in Standard, Modern, and Commander?

Sphinx Ambassador is legal in: Modern, Legacy, Vintage, Commander.

Sphinx Ambassador

Q: What type of card is Sphinx Ambassador?

Sphinx Ambassador is a Creature — Sphinx. Its oracle text reads: "Flying Whenever this creature deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles."

Creature — Sphinx

Flying

Whenever this creature deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

Set Magic 2010

Rarity Mythic Rare

Mana Value 7

Artist Jim Murray

Collector # 73

Scryfall Gatherer