Hello everyone!
I made this deck a while back for fun, and it seems to be working fairly well. I was hoping that maybe I could get some feedback. The concept is to ruin your opponent's day by using a lot of board wipes and to provide board presence with annoying and nearly unkillable creatures (Bloodghast, Demigod of Revenge). Lightning Bolt is for utility (reach, control, and response), and Blightning is for reach and discard. You can use Goblin Dark-Dwellers to grab almost any instant/sorcery in your graveyard, although I suggest Dreadbore and Terminate.
This is a fairly budget deck, but there are changes that you can make if you don't mind spending a lot of paper to get more expensive harder paper.
De-budgeting suggestions:
Remove Blightning for Kolaghan's Command
Take out Anger of the Gods for more Damnations (Be sure to change lands)
Add fetch lands
Add Blood Moon or Magus of the Moon to the sideboard
Add Thoughtseize or Inquisition of Kozilek or a combination of both.
For those less willing to spend paper for paper, there are papers that you can get a better exchange rate on.
Budgeting options:
Remove Damnation for Languish
Lightning Bolt can be replaced with almost any other red burn spell (but make sure it can hit creatures)
Bloodghast can be replaced with any sticky two-drop, but if it's outside black, be sure to change your mana distribution.
Terminate could be replaced with Doom Blade
Playing the Deck
This deck is moderately complex, and there are many things that are fairly simple but also imperative to playing the deck well.
Playing with Bloodghast
Bloodghast's ability is very powerful, and it makes it one of the most sticky creatures in the game, however using it correctly can be hard. Firstly, in this deck, you run the risk of exiling it with Anger of the Gods. Due to this, you should always attack with Bloodghast before casting Anger of the Gods. If Bloodghast dies in combat, you can reincarnate it with a land after wiping the board. Playing with other board wipes- In most cases, you want to attack with your Bloodghast and then play the board wipe, as your opponent is likely to either not block, in fear of combat tricks, or block with a larger creature. Sometimes, this can work to your advantage. For example, Pyroclasm can finish off their creature along with wiping the rest of the board if the creature they blocked with had 4 or less toughness. However, there are some cases in which you should not attack before playing your wipe. These times are when your opponent has 10 or less life, or when you can reduce your opponent's life total to 10 or less with cards in your hand. If this is the case, you want to wipe the board, bring back your Bloodghast, and then attack. If you are a non-budget player and are running fetch lands, they have many nice interactions with Bloodghast. For example, you can bring Bloodghast back at your end step by saving your fetch. If your opponent has 10 or less life, or you could reduce them to 10 or less, you can return Bloodghast to the battlefield, attack with it, and if it dies, you can pop your fetch to bring it back before your next turn. Also, in many cases, it can be best to discard Bloodghast so you can bring it back with its landfall ability.
Playing with Goblin Dark-Dwellers
Goblin Dark-Dwellers is an interesting card that allows you to flashback your cards like Blightning, Terminate, and Dreadbore. This card can almost always get a 2-for-1 and has incredible potential value.
This deck is more complex by far than most decks in modern. To be able to beat the other decks, a certain skill level is needed, but even more importantly you need to know the meta. As of now, the meta is ruled by aggro decks like Affinity, Red Deck Wins, and Jund. This deck preforms fairly well against all of these decks, and I have an above-50% win rate against them.
Against affinity, you have cheap board wipes like Pyroclasm, however it is very important that you don't get too greedy with these. After game one, you can sideboard in your Rakdos Charms and the wins just pile up. Save Rakdos Charm for dealing with Cranial Plating or pushing lethal when they have a lot of creatures.
Against Jund, your best tools will be Blightning, Rakdos's Return and Goblin Dark-Dwellers. Sideboarding can be hard because a lot of Jund decks vary significantly.
Against Red Deck Wins, you want to be able to kill all of their creatures quickly before they can deal damage. Allow Goblin Guide to attack before you kill it, but kill it before it deals damage. Allow Eidolon of the Great Revel to deal the most damage possible to your opponent before killing it, but like Goblin Guide, kill it before it hurts you.
In conclusion, the deck preforms well against many modern decks and I suggest it as a deck to play in FNM or even the competitive scene. For a good deck, it is fairly cheap. Please leave an upvote and a comment if you have any ideas on how to make the deck better.