Is Noctis, Heir Apparent legal in Standard, Modern, and Commander?

Noctis, Heir Apparent is legal in: Legacy, Vintage, Commander.

What type of card is Noctis, Heir Apparent?

Noctis, Heir Apparent is a Legendary Creature — Human Noble. Its oracle text reads: "Whenever a creature you control enters during combat, you may attach target Equipment you control to target creature you control. Warp-Strike — {3}: Exile Noctis. Return it to the battlefield under its owner's control tapped and attacking at the beginning of that player's next declare attackers step. It can't be blocked that combat."

Noctis, Heir Apparent

Legendary Creature — Human Noble

Whenever a creature you control enters during combat, you may attach target Equipment you control to target creature you control.

Warp-Strike — : Exile Noctis. Return it to the battlefield under its owner's control tapped and attacking at the beginning of that player's next declare attackers step. It can't be blocked that combat.