Dakra Mystic | Creature | Merfolk Wizard | {U}, {T}: Each player reveals the top card of their library. You may put the revealed cards into their owners' graveyards. If you don't, each player draws a card. | Wesley Burt
Hypnotic Siren | Enchantment Creature | Siren | Bestow {5}{U}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Flying
You control enchanted creature.
Enchanted creature gets +1/+1 and has flying. | James Ryman
Triton Shorestalker | Creature | Merfolk Rogue | Triton Shorestalker can't be blocked. | Svetlin Velinov