Is Reflecting Mirror legal in Standard, Modern, and Commander?

Reflecting Mirror is legal in: Legacy, Vintage, Commander.

Reflecting Mirror

Q: What type of card is Reflecting Mirror?

Reflecting Mirror is an Artifact. Its oracle text reads: "{X}, {T}: Change the target of target spell with a single target if that target is you. The new target must be a player. X is twice the mana value of that spell."

Artifact

, : Change the target of target spell with a single target if that target is you. The new target must be a player. X is twice the mana value of that spell.