Holon Mentor and Holon Legacy both fit well within the Holon engine model of building decks, as did the energy spread that included Holon Energy FF, Holon Energy GL, Holon Energy WP, as well as Boost Energy, Scramble Energy, and Rainbow Energy
Pontiff of Blight Pontiff of Blight gives all other creatures extort, so it can let you drain players quickly without having to play any other cards with extort
Anafenza, the Foremost Ancestor's Embrace Archive Haunt Benevolent Geist Bone Rattler (playtest) Brinebound Gift Catlike Curiosity Chapel Shieldgeist Clever Distraction Covetous Geist Dennick, Pious Apparition Departed Soulkeeper Dorothea's Retribution Drogskol Armaments Dryad Militant Festival of Embers Forbidden Crypt Generous Soul Ghastly Mimicry Ghostly Castigator Gutter Shortcut Hades, Sorcerer of Eld Hook-Haunt Drifter Katilda's Rising Dawn Lanterns' Lift Leyline of the Void Luminous Phantom Morning Apparition Necrodominance Planar Void Rest in Peace Sinner's Judgment Spectral Binding Twinblade Invocation Valgavoth, Terror Eater Waildrifter Yawgmoth's Agenda Yawgmoth's Day Planner (playtest)
you start with a virtual nine cards in hand while everyone else has eight
