Is Jadelight Spelunker legal in Standard, Modern, and Commander?

Jadelight Spelunker is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Jadelight Spelunker

Q: What type of card is Jadelight Spelunker?

Jadelight Spelunker is a Creature — Merfolk Scout. Its oracle text reads: "When this creature enters, it explores X times. (To have it explore, 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 that creature, then put the card back or put it into your graveyard.) *The River Heralds found clues to a grand heritage below Ixalan's surface.* Power/Toughness: 1/1"

Creature — Merfolk Scout

When this creature enters, it explores X times. (To have it explore, 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 that creature, then put the card back or put it into your graveyard.)

*The River Heralds found clues to a grand heritage below Ixalan's surface.*

Power/Toughness: 1/1

Set The Lost Caverns of Ixalan

Rarity Rare

Mana Value 1

Artist Izzy

Collector # 196

Scryfall