Is Grim Flayer legal in Standard, Modern, and Commander?

Grim Flayer is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Grim Flayer

Q: What type of card is Grim Flayer?

Grim Flayer is a Creature — Human Warrior. Its oracle text reads: "Trample Whenever this creature deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Delirium — This creature gets +2/+2 as long as there are four or more card types among cards in your graveyard. Power/Toughness: 2/2"

Creature — Human Warrior

Trample

Whenever this creature deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Delirium — This creature gets +2/+2 as long as there are four or more card types among cards in your graveyard.

Power/Toughness: 2/2

Set Duskmourn: House of Horror Commander

Rarity Mythic Rare

Mana Value 2

Artist Mathias Kollros

Collector # 218

Scryfall