Acererak the Archlich Aphetto Exterminator Apprentice Necromancer Ashiok's Adept Asylum Visitor Augur of Skulls Blightcaster Blood Scrivener Bloodbat Summoner Bloodline Necromancer Bloodtracker Bog Initiate Bogbrew Witch Bone Miser Boneclad Necromancer Cabal Interrogator Cabal Patriarch Calculating Lich Caligo Skin-Witch Chronomancer Coffin Queen Corpse Augur Corpse Connoisseur Corpse Harvester Cryptek Cunning Lethemancer Cuombajj Witches Dakmor Sorceress Dark Confidant Death Baron Death Cultist Demon's Herald Dire Fleet Ravager Disciple of Bolas Dread Warlock Dreamspoiler Witches Dreamstealer Ecstatic Awakener El-Hajjj Elusive Tormentor Endrek Sahr, Master Breeder Faller's Faithful Fandaniel, Telophoroi Ascian Fiend of the Shadows Flesh Carver Fleshformer Ghoulcaller Gisa Gisa, Glorious Resurrector Grandmother Ravi Sengir Grandmother Sengir Grim Haruspex Grixis Battlemage Grudge Keeper Hailstorm Valkyrie Hate Weaver Hollowsage Isareth the Awakener Jadar, Ghoulcaller of Nephalia Keen Duelist Keeper of the Dead Krovikan Elementalist Liliana's Scrounger Lim-Dl the Necromancer Loathsome Curator Maga, Traitor to Mortals Magus of the Abyss Magus of the Bridge Magus of the Coffers Magus of the Mirror Magus of the Will Maralen of the Mornsong Martyr of Bones

Incredibly, even on the lower end it can sell for hundreds of dollars
The loser of that subgame loses half their life, and then the real game resumes
The second card guarantees you a win the next time your commander attacks unless someone makes you shuffle, or Velomachus power drops below seven
That -3 ability is super-handy too, removing a threat and providing card advantage
Massive All Campaign Dividers (Core Encounters, Night of the Zealot to The Feast of Hemlock Vale)