Is Winternight Stories legal in Standard, Modern, and Commander?

Winternight Stories is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Winternight Stories?

Winternight Stories is a Sorcery. Its oracle text reads: "Draw three cards. Then discard two cards unless you discard a creature card. Harmonize {4}{U} (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by {X}, where X is its power. Then exile this spell.)"

Winternight Stories

Sorcery

$4.49 ↗Commander, Modern

Draw three cards. Then discard two cards unless you discard a creature card.

Harmonize (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by , where X is its power. Then exile this spell.)