Eradicator Epidemic Virus

As an additional cost to cast this spell sacrifice a black creature with power 3 or greater.
Enchant player
Put 3 virus counters on this card and choose Instant, Sorcery, or Enchantment. Enchanted player reveals their hand and all cards they draw and discard all cards of the chosen type.
Remove 1 virus counter at the end of each of the enchanted player's turns and sacrifice this card if there is no virus counters on it.