Thassa, Deep-Dwelling (Showcase) [Theros Beyond Death] Hydra Put one of them into

Put one of them into your graveyard

Each time your opponent Sets a Spell or Trap Card(s): Inflict 300 damage to your opponent

Set: Skyridge Type: Supporter Rarity: Uncommon

the Battle Damage it inflicts to your opponent is halved

Thassa, Deep-Dwelling (Showcase) [Theros Beyond Death] Hydra Put one of them intoSet: Theros Beyond Death Type: Legendary Enchantment Creature God Rarity: Mythic Cost: {3}{U} Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature.