Is Reap legal in Standard, Modern, and Commander?

Reap is legal in: Legacy, Vintage, Commander.

Reap

Q: What type of card is Reap?

Reap is an Instant. Its oracle text reads: "Return up to X target cards from your graveyard to your hand, where X is the number of black permanents target opponent controls as you cast this spell."

Instant

Return up to X target cards from your graveyard to your hand, where X is the number of black permanents target opponent controls as you cast this spell.

Set Tempest

Rarity Uncommon

Mana Value 2

Artist Ron Chironna

Collector # 247

Scryfall Gatherer