Is Creepy Puppeteer legal in Standard, Modern, and Commander?

Creepy Puppeteer is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Creepy Puppeteer

Q: What type of card is Creepy Puppeteer?

Creepy Puppeteer is a Creature — Human Rogue. Its oracle text reads: "Haste Whenever this creature attacks, if you attacked with exactly one other creature this combat, you may have that creature's base power and toughness become 4/3 until end of turn."

Creature — Human Rogue

Haste

Whenever this creature attacks, if you attacked with exactly one other creature this combat, you may have that creature's base power and toughness become 4/3 until end of turn.

Set Innistrad: Crimson Vow

Rarity Rare

Mana Value 4

Artist Marie Magny

Collector # 151

Scryfall Gatherer