Is Naya Soulbeast legal in Standard, Modern, and Commander?

Naya Soulbeast is legal in: Legacy, Vintage, Commander.

Naya Soulbeast

Q: What type of card is Naya Soulbeast?

Naya Soulbeast is a Creature — Beast. Its oracle text reads: "When you cast this spell, each player reveals the top card of their library. This creature enters with X +1/+1 counters on it, where X is the total mana value of all cards revealed this way. Trample"

Creature — Beast

When you cast this spell, each player reveals the top card of their library. This creature enters with X +1/+1 counters on it, where X is the total mana value of all cards revealed this way.

Trample

Set Commander 2013

Rarity Rare

Mana Value 8

Artist Jesper Ejsing

Collector # 157

Scryfall Gatherer