good discard cards mtg Black Deck Mono Black Discard Deck -

It provides a layer of protection for your win conditions

For four mana, when this 3/5 attacks, each opponent loses one life, and you gain one life for each attacking creature you control

8 Laboratory Maniac A Unique Win Condition One of the more curious cards from any of the Innistrad sets, Laboratory Maniac flips a losing state and turns it into a winning one

Now you can reap the rewards of such things without having to stretch your mana base

You could switch Damnation with one of these substitutes

Its hard to figure out how these cards will play out without knowing things like the speed of the format or the relative power levels of the colors and archetypes