Is Sequence Engine legal in Standard, Modern, and Commander?

Sequence Engine is legal in: Legacy, Vintage, Commander.

Sequence Engine

Q: What type of card is Sequence Engine?

Sequence Engine is an Artifact. Its oracle text reads: "{X}, {T}: Exile target creature card with mana value X from a graveyard. Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it. Activate only as a sorcery."

Artifact

, : Exile target creature card with mana value X from a graveyard. Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it. Activate only as a sorcery.