Is Sewers of Estark legal in Standard, Modern, and Commander?

Sewers of Estark is legal in: Legacy, Vintage, Commander.

Sewers of Estark

Q: What type of card is Sewers of Estark?

Sewers of Estark is an Instant. Its oracle text reads: "Choose target creature. If it's attacking, it can't be blocked this turn. If it's blocking, prevent all combat damage that would be dealt this combat by it and each creature it's blocking."

Instant

Choose target creature. If it's attacking, it can't be blocked this turn. If it's blocking, prevent all combat damage that would be dealt this combat by it and each creature it's blocking.

Set Magic Online Promos

Rarity Rare

Mana Value 4

Artist Melissa A. Benson

Collector # 35964

Scryfall