Is Forgotten Creation legal in Standard, Modern, and Commander?

Forgotten Creation is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Forgotten Creation

Q: What type of card is Forgotten Creation?

Forgotten Creation is a Creature — Zombie Horror. Its oracle text reads: "Skulk (This creature can't be blocked by creatures with greater power.) At the beginning of your upkeep, you may discard all the cards in your hand. If you do, draw that many cards."