Is Mizzix, Replica Rider legal in Standard, Modern, and Commander?

Mizzix, Replica Rider is legal in: Legacy, Vintage, Commander.

Mizzix, Replica Rider

Q: What type of card is Mizzix, Replica Rider?

Mizzix, Replica Rider is a Legendary Creature — Goblin Wizard. Its oracle text reads: "Flying Whenever you cast a spell from anywhere other than your hand, you may pay {1}{U/R}. If you do, copy that spell and you may choose new targets for the copy. If the copy is a permanent spell, it gains haste and "At the beginning of your end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.) Power/Toughness: 4/5"

Legendary Creature — Goblin Wizard

Flying

Whenever you cast a spell from anywhere other than your hand, you may pay . If you do, copy that spell and you may choose new targets for the copy. If the copy is a permanent spell, it gains haste and "At the beginning of your end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)