Is Twisted Abomination legal in Standard, Modern, and Commander?

Twisted Abomination is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Twisted Abomination

Q: What type of card is Twisted Abomination?

Twisted Abomination is a Creature — Zombie Mutant. Its oracle text reads: "{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.) Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Power/Toughness: 5/3"

Creature — Zombie Mutant

: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)