Defiler of Instinct (Promo Pack) [Dominaria United Promos] Bird Serpent Set: Limited Edition Alpha Type:

Set: Limited Edition Alpha Type: Enchantment — Aura Rarity: Common Cost: {1}{U} Enchant enchantment

where X is the other result

Creatures dealt damage this way can't be regenerated this turn

Whenever Hystrodon deals combat damage to a player

Defiler of Instinct (Promo Pack) [Dominaria United Promos] Bird Serpent Set: Limited Edition Alpha Type:Set: Dominaria United 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.