Rarity: Uncommon Card Text: Swimmer in Nightmares gets +3/+0 as long as there are ten or more cards in a single graveyard. Swimmer in Nightmares can't be blocked as long as you control an Ashiok planeswalker. Color: Blue Collector Number: 275 Artist: Lucas Graciano Set: Theros Beyond Death Color Identity: Blue Type: Creature Mana Cost: {2}{U} Language: English