Is Mona Lisa, Ever Adaptable legal in Standard, Modern, and Commander?

Mona Lisa, Ever Adaptable is legal in: Legacy, Vintage, Commander.

Mona Lisa, Ever Adaptable

Q: What type of card is Mona Lisa, Ever Adaptable?

Mona Lisa, Ever Adaptable is a Legendary Creature — Lizard Mutant. Its oracle text reads: "Whenever a player casts a creature spell, you create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")"

Legendary Creature — Lizard Mutant

Whenever a player casts a creature spell, you create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")