Is Ezio Auditore da Firenze legal in Standard, Modern, and Commander?

Ezio Auditore da Firenze is legal in: Modern, Legacy, Vintage, Commander.

Ezio Auditore da Firenze

Q: What type of card is Ezio Auditore da Firenze?

Ezio Auditore da Firenze is a Legendary Creature — Human Assassin. Its oracle text reads: "Menace Assassin spells you cast have freerunning {B}{B}. (You may cast a spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Whenever Ezio deals combat damage to a player, you may pay {W}{U}{B}{R}{G} if that player has 10 or less life. When you do, that player loses the game. Power/Toughness: 3/2"

Legendary Creature — Human Assassin

Menace

Assassin spells you cast have freerunning . (You may cast a spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)

Whenever Ezio deals combat damage to a player, you may pay if that player has 10 or less life. When you do, that player loses the game.