Is Siren Lookout legal in Standard, Modern, and Commander?

Siren Lookout is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Siren Lookout

Q: What type of card is Siren Lookout?

Siren Lookout is a Creature — Siren Pirate. Its oracle text reads: "Flying When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)"

Creature — Siren Pirate

$0.07 ↗20 similarCommander, Modern

Flying

When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Set Ixalan

Rarity Common

Mana Value 3

Artist Chris Rallis

Collector # 78