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I was just brainstorming when I made this. It definitely needs a lot of changes done to it. Some synergy/Combos in the deck is shadowborn apostles and Thrumming Stone. Then another big one Is Secret Salvage and Balthor the Defiled. You use Secret salvage on a Shadowborn Apostle which will allow you to search for all the Apostles in your deck and put them into your hand. After you discard down to 7 cards you should have plenty of apostles in your graveyard to get out with Balthor the Defiled so you then have a bunch of apostles on Board. You can then sacrifice them to cheat as many demons from your deck to play as you wish.
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