Is Savage Summoning legal in Standard, Modern, and Commander?

Savage Summoning is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Savage Summoning

Q: What type of card is Savage Summoning?

Savage Summoning is an Instant. Its oracle text reads: "This spell can't be countered. The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters with an additional +1/+1 counter on it."

Instant

This spell can't be countered.

The next creature spell you cast this turn can be cast as though it had flash. That spell can't be countered. That creature enters with an additional +1/+1 counter on it.

Set Magic 2014

Rarity Rare

Mana Value 1

Artist Johann Bodin

Collector # 194

Scryfall