Duskmourn: House of Horror

Cathartic Parting | Sorcery | | The owner of target artifact or enchantment an opponent controls shuffles it into their library. You may shuffle up to four target cards from your graveyard into your library. | Miranda Meeks

Coordinated Clobbering | Sorcery | | Tap one or two target untapped creatures you control. They each deal damage equal to their power to target creature an opponent controls. | Fajareka Setiawan

Manifest Dread | Sorcery | | Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) | Andrey Kuzinskiy

Monstrous Emergence | Sorcery | | As an additional cost to cast this spell, choose a creature you control or reveal a creature card from your hand. Monstrous Emergence deals damage equal to the power of the creature you chose or the card you revealed to target creature. | Loïc Canavaggia

Say Its Name | Sorcery | | Mill three cards. Then you may return a creature or land card from your graveyard to your hand. Exile this card and two other cards named Say Its Name from your graveyard: Search your graveyard, hand, and/or library for a card named Altanak, the Thrice-Called and put it onto the battlefield. If you search your library this way, shuffle. Activate only as a sorcery. | Sam Wolfe Connelly

Under the Skin | Sorcery | | Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) You may return a permanent card from your graveyard to your hand. | Fernando Falcone

Valgavoth's Onslaught | Sorcery | | Manifest dread X times, then put X +1/+1 counters on each of those creatures. (To manifest dread, look at the top two cards of your library, then put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.) | Lie Setiawan

Beastie Beatdown | Sorcery | | Choose target creature you control and target creature an opponent controls. Delirium — If there are four or more card types among cards in your graveyard, put two +1/+1 counters on the creature you control. The creature you control deals damage equal to its power to the creature an opponent controls. | Inkognit