Is Shifting Borders legal in Standard, Modern, and Commander?

Shifting Borders is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Shifting Borders?

Shifting Borders is an Instant — Arcane. Its oracle text reads: "Exchange control of two target lands. Splice onto Arcane {3}{U} (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.)"

Shifting Borders

Instant — Arcane

Exchange control of two target lands.

Splice onto Arcane (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 Saviors of Kamigawa

Rarity Uncommon

Mana Value 4

Artist Alex Horley-Orlandelli

Collector # 56

Scryfall Gatherer