Defiler of Instinct [Dominaria United Prerelease Promos]Set: Dominaria United Prerelease Promos Type: Creature Phyrexian Kavu Rarity: Rare Cost: {2}{R}{R} First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target.