Is Thassa, God of the Sea legal in Standard, Modern, and Commander?

Thassa, God of the Sea is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Thassa, God of the Sea?

Thassa, God of the Sea is a Legendary Enchantment Creature — God. Its oracle text reads: "IndestructibleAs long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)At the beginning of your upkeep, scry 1.{1}{U}: Target creature you control can't be blocked this turn."

Thassa, God of the Sea

Legendary Enchantment Creature — God

Indestructible<br>As long as your devotion to blue is less than five, Thassa isn't a creature. (Each in the mana costs of permanents you control counts toward your devotion to blue.)<br>At the beginning of your upkeep, scry 1.<br>: Target creature you control can't be blocked this turn.