Is Arcades, the Strategist legal in Standard, Modern, and Commander?

Arcades, the Strategist is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Arcades, the Strategist

Q: What type of card is Arcades, the Strategist?

Arcades, the Strategist is a Legendary Creature — Elder Dragon. Its oracle text reads: "Flying, vigilance Whenever a creature you control with defender enters, draw a card. Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender."

Legendary Creature — Elder Dragon

Flying, vigilance

Whenever a creature you control with defender enters, draw a card.

Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender.

Set Core Set 2019

Rarity Mythic Rare

Mana Value 4

Artist Even Amundsen

Collector # 212

Scryfall Gatherer