Is Send to Sleep legal in Standard, Modern, and Commander?

Send to Sleep is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper.

Send to Sleep

Q: What type of card is Send to Sleep?

Send to Sleep is an Instant. Its oracle text reads: "Tap up to two target creatures. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures don't untap during their controllers' next untap steps."

Instant

Tap up to two target creatures.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures don't untap during their controllers' next untap steps.

Set Magic Origins

Rarity Common

Mana Value 2

Artist Cynthia Sheppard

Collector # 71

Scryfall Gatherer