The strategy seems to be very midrangey and value oriented, trying to buy enough time to get the most out of your creatures and use Blight in the lategame to gain even more value by re-using their abilities
This is because it's a 5-White 5/5 creature with a reanimation effect and an ability that puts +1/+1 counters on it every time damage is dealt to it, which is also prevented
The deck could stall specifically the key Lake of the Dead-driven life gain, suppress life total short term, hold off the "pump" Orders with Suq'Ata Firewalker, and eventually finish with a lone Fireball
Summary Parasite Paracide is a nightmare-inducing card with creepy artwork that got censored internationally
The other cards on the list have a little more nuance to why theyre there and are infinitely more interesting to discuss
Actually, if I can offer a similar idea, Nihilist: Too Angry to Think might provide some interesting thoughts