Is Hand That Feeds legal in Standard, Modern, and Commander?

Hand That Feeds is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Hand That Feeds

Q: What type of card is Hand That Feeds?

Hand That Feeds is a Creature — Mutant. Its oracle text reads: "Delirium — Whenever this creature attacks while there are four or more card types among cards in your graveyard, it gets +2/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)"

Creature — Mutant

Delirium — Whenever this creature attacks while there are four or more card types among cards in your graveyard, it gets +2/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Set Duskmourn: House of Horror

Rarity Common

Mana Value 2

Artist Loïc Canavaggia

Collector # 139

Scryfall Gatherer