Is Fear of Isolation legal in Standard, Modern, and Commander?

Fear of Isolation is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Fear of Isolation

Q: What type of card is Fear of Isolation?

Fear of Isolation is an Enchantment Creature — Nightmare. Its oracle text reads: "As an additional cost to cast this spell, return a permanent you control to its owner's hand. Flying *On the second day after he'd been separated from his friends, Tino worried they'd be panicking at his absence. By the fourth, he was certain they'd never cared for him at all.* Power/Toughness: 2/3"

Enchantment Creature — Nightmare

As an additional cost to cast this spell, return a permanent you control to its owner's hand.

Flying

*On the second day after he'd been separated from his friends, Tino worried they'd be panicking at his absence. By the fourth, he was certain they'd never cared for him at all.*

Power/Toughness: 2/3

Set Duskmourn: House of Horror

Rarity Uncommon

Mana Value 2

Artist Irina Nordsol

Collector # 58

Scryfall