Harbinger of the Tides [Duel Decks: Merfolk vs. Goblins] Bird Soldier Archer an opponent gains control of

an opponent gains control of it

Set: Eldritch Moon Type: Creature — Eldrazi Boar Rarity: Mythic Cost: {10} Emerge {6}{G}{G}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value

An opponent chooses from among them a creature card

If a source would deal damage to Swans of Bryn Argoll

Harbinger of the Tides [Duel Decks: Merfolk vs. Goblins] Bird Soldier Archer an opponent gains control ofSet: Duel Decks: Merfolk vs. Goblins Type: Creature Merfolk Wizard Rarity: Rare Cost: {U}{U} 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.