Is Abhorrent Overlord legal in Standard, Modern, and Commander?

Abhorrent Overlord is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Abhorrent Overlord

Q: What type of card is Abhorrent Overlord?

Abhorrent Overlord is a Creature — Demon. Its oracle text reads: "FlyingWhen Abhorrent Overlord enters, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)At the beginning of your upkeep, sacrifice a creature."

Creature — Demon

Flying<br>When Abhorrent Overlord enters, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each in the mana costs of permanents you control counts toward your devotion to black.)<br>At the beginning of your upkeep, sacrifice a creature.

Set Pioneer Masters

Rarity Uncommon

Artist Slawomir Maniak