Much too cheap. Considering Soul Catcher in the speed of generating quanta as well as the fact that all but one natural ability of Death and Darkness costs 1 quanta, this is essentially mass SoR for Death and Darkness. I'd make it cost 6 for both, the upgraded only affecting your side.
If anything, I'd think Air needs a card like this, not Death or Darkness.
I think I got misunderstood here for abilities.
Exemple, Flesh recluse would not get affected, but Lycanthrope would.
As for soul catcher, you need to make stuff die.
It's still a SoR for 1 death/darkness abilities.
So that makes parasite (already UP), lycan ( can be used only once), and chrysaora.
parasite, lycan, chrysaora, nymph, mutants; basically all things that "Evil Rush | Evil Rush" affects.