Is Zoo Escapees legal in Standard, Modern, and Commander?

Zoo Escapees is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Zoo Escapees

Q: What type of card is Zoo Escapees?

Zoo Escapees is a Creature — Boar Rhino. Its oracle text reads: "When this creature leaves the battlefield, 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.")"

Creature — Boar Rhino

When this creature leaves the battlefield, 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.")