I actually use two cursed-heavy deck as main decks with about 50/50 win rate against most opponents. The only problem is this deck is quite reliant on luck and how well you can guess what type of deck the opponent is using.
One of them is as follow:
Leader: Foltest
Bloody Baron
Eskel: Pathfinder
Keira Metz
Ciri: Nova
Hubert Rejk
Vaedermakar
Dethmold
Sabrina's Specter
Decoy
Vandergrift's blade
2x Cursed Knight
2x Kaedweni Revenant
2x Damned Sorceress
2x Tormented Mage
2x Bloody Flail
2x Alzur's Thunder
2x Shackles
The above version with the Damned Sorceress is more removal-focused, whereas the other version I use (without Damned Sorceress) is more Revenants focused.
The other variation is similar, except I took out Nova and Damned Sorceress; added one more Revenant and one more Tormented Mage; and exchanged some Gold and Silvers.
Another interesting variation is replace the cursed cards with machines and crews. This I haven't yet experiment enough with, so I'm not certain how well it'd work. But the logic is similar: remove their vital cards while boosting your Bloody Baron. The reason I haven't experiment with a machine deck is because in order to gain enough removal power with machines, it required more setups then a cursed deck. For the cursed deck, just throw out a Tormented Mage, and you will often reliably get Alzur's Thunder or Shackle. But for a machine deck, you need at least one crew to make any machine useful.
Main strategies
This type of decks has two main strategies and hopefully your draw will allow for both strategies, so that if one is stopped, the other one can still work.
One is the obvious Revenant swarm. Get your Revenants out and them let them multiply.
The other is the Hubert Rejk + Foltest combo combined with Bloody Baron. With the addition of Nova, this means you potentially have 3 cards that can reliably add 14+ power to the board. The interesting thing about this deck is that if you only draw Hubert Rejk with Bloody Baron still in the deck, you can still utilize the boosts Bloody Baron gained and potentially boost Huber Rejk to 20+.
You'd obviously want to win the first round. But I'd often save Foltest for second round, just in case I lose the first (since opponents often skip second round and Foltest is not really the engine of any setup with the exception of Hubert Rejk. But the benefits of Foltest is not lost from round to round). Of course, Revenant swarm and Foltest work well together. But the question is, do you really need that much boost when already have a Revenant army on board? This is also why Butterfly should not be in this deck, because Butterfly works best when you are already winning, but if you are winning, you don't really need Butterfly.
The other strategy I'm currently experimenting with is to use Hubert Rejk + Foltest combo early in round one (instead of end game). This is because Hubert Rejk + Foltest combo works best with more units in deck. Furthermore, opponents often pass if you pull out a high power card early in round one. This opens up more options in round 2 and 3. I can choose to pass round 2, or if I have the right cards, try to win round 2 or use up all cards except Bloody Baron and Nova in round 2, then throw them out at round 3 (which can result in 40+ power).
The advantage of this setup is that Bloody Baron and Revenants both benefits from the spell and item cards used. Furthermore, the spell and item cards can also be used to stop several powerful decks by quickly take out every threat using Alzur's Thunder. For some match ups, this often turns into a game of endurance. Will I run out of removal cards first, or will they run out of revives or Deathwish cards first.
Additionally, I often like to start with Revenants nomatter what the coin flips. This way I can quickly know if the opponent has the ability to stop my Revenants. Furthermore, the Revenants can be used to bait their removal options. Often trading powerful removals such as Viper Witcher (10+ removal), with the power of one Revenants (4 power). This means they have less options to stop Bloody Baron, Hubert Rejk and Nova.
The most important cards in this deck are Bloody Baron, Hubert Rejk, Revenants, Sabrina's Specter, and enough spell and item cards.
Goods cards to consider putting in are cards like Tormented Mage, and any cards that can create or pull spell and item cards (such as Dethmold or Kyian or
Aguara: True Form). These cards can be swapped depending on your own preferences. A note about Kyian, if used to create an alchemy card, take care that some alchemy cards are not spell or item and therefore, cannot trigger Revenant ability. Keira Metz's
Arachas Venom is also not a spell or item, but it is good for destroying multiple cards at the same time. Biting Frost and Torrential Rain are also good for destroying multiple weak cards, if you deploy them early enough and they are not cleared. All three cards are good for boosting Bloody Baron.
Cards worth mentioning are Eskel: Pathfinder and Vandergrift's blade. Pathfinder is very useful in removing the "auto-strengthen" cards (yes, I am talking about Greatsword), since Pathfinder can remove any non-boosted bronze and silver cards, which includes any cards that are
Strengthened but
not Boosted (such as Greatsword). Vandergrift's blade can banish any card with less than 9 powers or destroy any cursed units. The banish ability is extremely useful against Deathwish Monster deck, since banish does not sent Cards to the graveyard, meaning Deathwish cannot be triggered. Furthermore, banished cards cannot be revived, and most of the time, the opponents don't know this. I've tricked a lot of people to waste Renew or other revive cards, only to find out that their Imlerith: Sabbath or Greatsword is nowhere to be found. The only slight draw back is banish doesn't trigger Bloody Baron's ability. But I'm welling to live with that. When I have the right cards against Greatswords, I'd often deliberately get into the "remove -> revive" cycle, just to suddenly throw in Vandergrift's blade, so they will try to revive Greatsword on reflex, and find out their target is not in the graveyard. Sometimes I can get them to use most of their revival cards, and gain quite a few powers for Bloody Baron at the same time.
Anyways, this is my two-cents on cursed decks (sorry for the wall of text). It's fun to play with, but it requires a lot of fine tuning, experience and luck if you want to use it as a competitive deck.
If anyone has any good suggestions regarding my deck, please don't hold back. I'd really appreciate some feedback.
