Is Merchant Ship legal in Standard, Modern, and Commander?

Merchant Ship is legal in: Legacy, Vintage, Commander.

What type of card is Merchant Ship?

Merchant Ship is a Creature — Human. Its oracle text reads: "Merchant Ship can't attack unless defending player controls an Island.Whenever Merchant Ship attacks and isn't blocked, you gain 2 life.When you control no Islands, sacrifice Merchant Ship."

Merchant Ship

Creature — Human

Merchant Ship can't attack unless defending player controls an Island.<br>Whenever Merchant Ship attacks and isn't blocked, you gain 2 life.<br>When you control no Islands, sacrifice Merchant Ship.

Set Arabian Nights

Rarity Uncommon

Artist Tom Wänerstrand