Is Dragonshift legal in Standard, Modern, and Commander?

Dragonshift is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Dragonshift

Q: What type of card is Dragonshift?

Dragonshift is an Instant. Its oracle text reads: "Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying. Overload {3}{U}{U}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")"

Instant

Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")