Is Watcher for Tomorrow legal in Standard, Modern, and Commander?

Watcher for Tomorrow is legal in: Modern, Legacy, Vintage, Commander.

Watcher for Tomorrow

Q: What type of card is Watcher for Tomorrow?

Watcher for Tomorrow is a Creature — Human Wizard. Its oracle text reads: "Hideaway 4 (When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This creature enters tapped. When this creature leaves the battlefield, put the exiled card into its owner's hand. Power/Toughness: 2/1"

Creature — Human Wizard

Hideaway 4 (When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

This creature enters tapped.

When this creature leaves the battlefield, put the exiled card into its owner's hand.

Power/Toughness: 2/1

Set Modern Horizons

Rarity Uncommon

Mana Value 2

Artist Tommy Arnold

Collector # 76

Scryfall