Is Prisoner's Dilemma legal in Standard, Modern, and Commander?

Prisoner's Dilemma is legal in: Legacy, Vintage, Commander.

Prisoner's Dilemma

Q: What type of card is Prisoner's Dilemma?

Prisoner's Dilemma is a Sorcery. Its oracle text reads: "Each opponent secretly chooses silence or snitch, then the choices are revealed. If each opponent chose silence, Prisoner's Dilemma deals 4 damage to each of them. If each opponent chose snitch, Prisoner's Dilemma deals 8 damage to each of them. Otherwise, Prisoner's Dilemma deals 12 damage to each opponent who chose silence. Flashback {5}{R}{R}"

Sorcery

Each opponent secretly chooses silence or snitch, then the choices are revealed. If each opponent chose silence, Prisoner's Dilemma deals 4 damage to each of them. If each opponent chose snitch, Prisoner's Dilemma deals 8 damage to each of them. Otherwise, Prisoner's Dilemma deals 12 damage to each opponent who chose silence.

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