Sworn to Darkness Ob Nixilis of the Black Oath | Illustration by Daarken Commander (1) Creature (28) Skirsdag High Priest Nantuko Shade Vampire Hexmage Burnished Hart Flesh Carver Crypt Ghast Disciple of Bolas Evernight Shade Abyssal Persecutor Liliana's Reaver Nekrataal Magus of the Coffers Raving Dead Shriekmaw Bloodgift Demon Demon of Wailing Agonies Drana, Kalastria Bloodchief Ghoulcaller Gisa Gray Merchant of Asphodel Morkrut Banshee Grave Titan Phyrexian Gargantua Pontiff of Blight Reaper from the Abyss Xathrid Demon Butcher of Malakir Overseer of the Damned Pestilence Demon Instant (8) Spoils of Blood Tragic Slip Malicious Affliction Sudden Spoiling Tendrils of Corruption Annihilate Skeletal Scrying Wake the Dead Sorcery (13) Sign in Blood Read the Bones Victimize Syphon Mind Dread Return Mutilate Infernal Offering ther Snap Promise of Power Necromantic Selection Black Sun's Zenith Profane Command Dregs of Sorrow Enchantment (1) Artifact (9) Sol Ring Charcoal Diamond Jet Medallion Mind Stone Swiftfoot Boots Commander's Sphere Unstable Obelisk Worn Powerstone Lashwrithe Land (40) Arcane Lighthouse Barren Moor Bojuka Bog Crypt of Agadeem Everglades Ghost Quarter Myriad Landscape Polluted Mire Swamp x32 Commander, Themes, and Strategy Sworn to Darkness is a deck built around death, dying, and being dead

These abilities are seldom printed on creatures, equipment, or instants because of how powerful and potentially warping they are to any environment
The Hydrapple is surrounded by Applin, its first evolution, and the entire illustration has a worn effect, as if the mural has existed for years and years
This is unsurprising, as board-wiping with benefits is a powerful concept for a card
Perhaps, the most famous spell ability is the first ability behind the keyword Cipher