
Harbinger of the Tides | Creature | Merfolk Wizard | You may cast Harbinger of the Tides as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.)
When Harbinger of the Tides enters the battlefield, you may return target tapped creature an opponent controls to its owner's hand. | Svetlin Velinov

Jace, Vryn's Prodigy | Legendary Creature | Human Wizard | {T}: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control. | Jaime Jones

Maritime Guard | Creature | Merfolk Soldier | | Allen Williams

Screeching Skaab | Creature | Zombie | When Screeching Skaab enters the battlefield, mill two cards. | Clint Cearley

Sigiled Starfish | Creature | Starfish | {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Nils Hamm