Sengir Vampire [International Collectors' Edition] Rivals of Ixalan Prerelease Promos whenever an attacking creature deals

whenever an attacking creature deals combat damage to you

Counter target spell unless its controller pays {1}

You gain life equal to the life lost this way

Orzhov Usurper deals damage to target player equal to the number of cards that player owns in exile and you gain that much life

Sengir Vampire [International Collectors' Edition] Rivals of Ixalan Prerelease Promos whenever an attacking creature dealsSet: International Collectors' Edition Type: Creature Vampire Rarity: Uncommon Cost: {3}{B}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1 +1 counter on Sengir Vampire.