Is Summons of Saruman legal in Standard, Modern, and Commander?

Summons of Saruman is legal in: Legacy, Vintage, Commander.

Summons of Saruman

Q: What type of card is Summons of Saruman?

Summons of Saruman is a Sorcery. Its oracle text reads: "Amass Orcs X. Mill X cards. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. (To amass Orcs X, put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) Flashback—{3}{U}{R}, Exile X cards from your graveyard."

Sorcery

Amass Orcs X. Mill X cards. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. (To amass Orcs X, put X +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Flashback—, Exile X cards from your graveyard.