Is Fetid Gargantua legal in Standard, Modern, and Commander?

Fetid Gargantua is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

Fetid Gargantua

Q: What type of card is Fetid Gargantua?

Fetid Gargantua is a Creature — Horror. Its oracle text reads: "{2}{B}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Whenever one or more +1/+1 counters are put on this creature, you may draw two cards. If you do, you lose 2 life."