Is Karn, Scion of Urza legal in Standard, Modern, and Commander?

Karn, Scion of Urza is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Karn, Scion of Urza

Q: What type of card is Karn, Scion of Urza?

Karn, Scion of Urza is a Legendary Planeswalker — Karn. Its oracle text reads: "+1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it. −1: Put a card you own with a silver counter on it from exile into your hand. −2: Create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control.""

Legendary Planeswalker — Karn

+1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it.

−1: Put a card you own with a silver counter on it from exile into your hand.

−2: Create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

Set Dominaria

Rarity Mythic Rare

Mana Value 4

Artist Chase Stone

Collector # 1

Scryfall