Is Roar of Jukai legal in Standard, Modern, and Commander?

Roar of Jukai is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Roar of Jukai

Q: What type of card is Roar of Jukai?

Roar of Jukai is an Instant — Arcane. Its oracle text reads: "If you control a Forest, each blocked creature gets +2/+2 until end of turn. Splice onto Arcane—An opponent gains 5 life. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)"

Instant — Arcane

If you control a Forest, each blocked creature gets +2/+2 until end of turn.

Splice onto Arcane—An opponent gains 5 life. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Set Betrayers of Kamigawa

Rarity Common

Mana Value 3

Artist Ron Spencer

Collector # 140

Scryfall Gatherer