Defiler of Dreams (Promo Pack) [Dominaria United Promos]Set: Dominaria United Promos Type: Creature Phyrexian Sphinx Rarity: Rare Cost: {3}{U}{U} Flying As an additional cost to cast blue permanent spells, you may pay 2 life. Those spells cost {U} less to cast if you paid life this way. This effect reduces only the amount of blue mana you pay. Whenever you cast a blue permanent spell, draw a card.