Thryx, the Sudden Storm [Theros Beyond Death Prerelease Promos]

Set: Theros Beyond Death Prerelease Promos Type: Legendary Creature — Elemental Giant Rarity: Rare Cost: {3}{U}{U} FlashFlyingSpells you cast with mana value 5 or greater cost {1} less to cast and can't be countered. Even in their mountain fortresses, the Akroans have learned not to anger Thassa.