Is Holy Day legal in Standard, Modern, and Commander?

Holy Day is legal in: Modern, Legacy, Vintage, Commander, Pauper.

What type of card is Holy Day?

Holy Day is an Instant. Its oracle text reads: "Prevent all combat damage that would be dealt this turn."

Instant

Prevent all combat damage that would be dealt this turn.

Set Legends

Rarity Common

Artist Justin Hampton

Instant Modern Commander Pauper