Is Mutagen Man, Living Ooze legal in Standard, Modern, and Commander?

Mutagen Man, Living Ooze is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Mutagen Man, Living Ooze?

Mutagen Man, Living Ooze is a Legendary Creature — Ooze Mutant. Its oracle text reads: "Trample Activated abilities of artifact tokens you control cost {1} less to activate. When Mutagen Man enters, create X Mutagen tokens. (They're artifacts with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")"

Mutagen Man, Living Ooze

Legendary Creature — Ooze Mutant

Trample

Activated abilities of artifact tokens you control cost less to activate.

When Mutagen Man enters, create X Mutagen tokens. (They're artifacts with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")