Is Monoxa, Midway Manager legal in Standard, Modern, and Commander?

Monoxa, Midway Manager is legal in: Legacy, Vintage, Commander.

Monoxa, Midway Manager

Q: What type of card is Monoxa, Midway Manager?

Monoxa, Midway Manager is a Legendary Creature — Vampire Employee. Its oracle text reads: "Whenever you roll a 3 or higher, Monoxa gains first strike until end of turn. If the roll was 4 or higher, it gains menace until end of turn. If the roll was 5 or higher, it gains lifelink until end of turn. {6}: Roll a six-sided die."

Legendary Creature — Vampire Employee

Whenever you roll a 3 or higher, Monoxa gains first strike until end of turn. If the roll was 4 or higher, it gains menace until end of turn. If the roll was 5 or higher, it gains lifelink until end of turn.

: Roll a six-sided die.