Is Famished Worldsire legal in Standard, Modern, and Commander?

Famished Worldsire is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Famished Worldsire

Q: What type of card is Famished Worldsire?

Famished Worldsire is a Creature — Leviathan. Its oracle text reads: "Ward {3} Devour land 3 (As this creature enters, you may sacrifice any number of lands. It enters with three times that many +1/+1 counters on it.) When this creature enters, look at the top X cards of your library, where X is this creature's power. Put any number of land cards from among them onto the battlefield tapped, then shuffle."

Creature — Leviathan

$4.30 ↗20 similarCommander, Modern

Ward

Devour land 3 (As this creature enters, you may sacrifice any number of lands. It enters with three times that many +1/+1 counters on it.)

When this creature enters, look at the top X cards of your library, where X is this creature's power. Put any number of land cards from among them onto the battlefield tapped, then shuffle.

Set Edge of Eternities

Rarity Mythic Rare

Mana Value 8

Artist Kev Walker

Collector # 182