Is Constrictor Sage legal in Standard, Modern, and Commander?

Constrictor Sage is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Constrictor Sage

Q: What type of card is Constrictor Sage?

Constrictor Sage is a Creature — Snake Wizard. Its oracle text reads: "When this creature enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Renew — {2}{U}, Exile this card from your graveyard: Tap target creature an opponent controls and put a stun counter on it. Activate only as a sorcery."

Creature — Snake Wizard

When this creature enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Renew — , Exile this card from your graveyard: Tap target creature an opponent controls and put a stun counter on it. Activate only as a sorcery.