If you didn't put any cards into your graveyard when you manifested dread (perhaps because your opponent controls Leyline of the Void), Paranormal Analyst's ability will still trigger, but you won't be able to put any cards into your hand when it resolves
Duskmourn sees MTGs designers set out to prove that it isnt only the plane of Innistrad that can play host to horror
It needs to deal combat damage to remove your maximum hand size, but the effect lasts for the rest of the game
We saw Firion, Wild Rose Warrior and Gilgamesh, Master-at-Arms as explicit payoffs and enablers, but there will be much more to pull the whole theme together
While it's likely a bad fit for your K'rrik, Son of Yawgmoth storm deck and other black decks that aren't running many creatures, Contamination is perfect for commanders like Nath of the Gilt-Leaf that can play green mana dorks and reliably produce creatures to sacrifice to keep it around
Clarion Conqueror Stax abilities can help you to stop activated abilities of creatures, artifacts, and planeswalkers