Is Shoreline Scout legal in Standard, Modern, and Commander?

Shoreline Scout is legal in: Historic.

Shoreline Scout

Q: What type of card is Shoreline Scout?

Shoreline Scout is a Creature — Merfolk Scout. Its oracle text reads: "When Shoreline Scout enters the battlefield, you may exile a Merfolk card or a land card from your hand. If you do, conjure a card named Tropical Island into your hand. As long as another Merfolk or an Island entered the battlefield under your control this turn, Shoreline Scout gets +1/+0. Power/Toughness: 1/1"

Creature — Merfolk Scout

When Shoreline Scout enters the battlefield, you may exile a Merfolk card or a land card from your hand. If you do, conjure a card named Tropical Island into your hand.

As long as another Merfolk or an Island entered the battlefield under your control this turn, Shoreline Scout gets +1/+0.

Power/Toughness: 1/1

Set Jumpstart: Historic Horizons

Rarity Uncommon

Mana Value 1

Artist Shreya Shetty

Collector # 12

Scryfall