Is Lone Revenant legal in Standard, Modern, and Commander?

Lone Revenant is legal in: Modern, Legacy, Vintage, Commander.

Lone Revenant

Q: What type of card is Lone Revenant?

Lone Revenant is a Creature — Spirit. Its oracle text reads: "Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever this creature deals combat damage to a player, if you control no other creatures, look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order."

Creature — Spirit

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever this creature deals combat damage to a player, if you control no other creatures, look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Set Commander 2015

Rarity Rare

Mana Value 5

Artist Jaime Jones

Collector # 96

Scryfall Gatherer