Is Halo-Charged Skaab legal in Standard, Modern, and Commander?

Halo-Charged Skaab is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Halo-Charged Skaab

Q: What type of card is Halo-Charged Skaab?

Halo-Charged Skaab is a Creature — Zombie. Its oracle text reads: "When this creature enters, each player mills two cards. Then you may put an instant, sorcery, or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.)"

Creature — Zombie

When this creature enters, each player mills two cards. Then you may put an instant, sorcery, or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.)

Set March of the Machine

Rarity Common

Mana Value 5

Artist Igor Kieryluk

Collector # 60

Scryfall Gatherer