Is Gyrus, Waker of Corpses legal in Standard, Modern, and Commander?

Gyrus, Waker of Corpses is legal in: Legacy, Vintage, Commander.

Gyrus, Waker of Corpses

Q: What type of card is Gyrus, Waker of Corpses?

Gyrus, Waker of Corpses is a Legendary Creature — Hydra. Its oracle text reads: "Gyrus enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. Whenever Gyrus attacks, you may exile target creature card with lesser power from your graveyard. If you do, create a token that's a copy of that card and that's tapped and attacking. Exile the token at end of combat. Power/Toughness: 0/0"

Legendary Creature — Hydra

Gyrus enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it.

Whenever Gyrus attacks, you may exile target creature card with lesser power from your graveyard. If you do, create a token that's a copy of that card and that's tapped and attacking. Exile the token at end of combat.

Power/Toughness: 0/0

Set Commander 2018

Rarity Mythic Rare

Mana Value 3

Artist Slawomir Maniak

Collector # 41

Scryfall