The Slygwondrer Queen

Indestructible, Flying, Hexproof, Lifelink, Deathtouch.
When The Slygwondrer Queen enters the battlefield or attacks, create a 1/1 Deathtouch, Slygwondrer Parasite then populate.
When a creature enters the battlefield or attacks, create a 1/1 Deathtouch, Slygwondrer Parasite
then populate.