Is Figure of Destiny legal in Standard, Modern, and Commander?

Figure of Destiny is legal in: Modern, Legacy, Vintage, Commander, Historic.

Figure of Destiny

Q: What type of card is Figure of Destiny?

Figure of Destiny is a Creature — Kithkin. Its oracle text reads: "{R/W}: This creature becomes a Kithkin Spirit with base power and toughness 2/2. {R/W}{R/W}{R/W}: If this creature is a Spirit, it becomes a Kithkin Spirit Warrior with base power and toughness 4/4. {R/W}{R/W}{R/W}{R/W}{R/W}{R/W}: If this creature is a Warrior, it becomes a Kithkin Spirit Warrior Avatar with base power and toughness 8/8, flying, and first strike."