Boggart Harbinger is my favorite card in this deck
Slightly over a fourth of the rares and mythic rares are eternal
While he is a little bit on the expensive side, and likely to attract removal, it's child's play to use this dragon to gain as many cards as you could possibly need
Its the best fixing possible while also ramping you out, and you cant get much better for a 5-color list
Black Massacre Wurm Feed the Swarm Gatekeeper of Malakir Vengeful Bloodwitch Demonic Pact Desecration Demon Dread Summons Kalastria Highborn Midnight Reaper Myojin of Night's Reach Nullpriest of Oblivion Wishclaw Talisman Arbiter of Woe 2 Infestation Sage Midnight Snack Seeker's Folly 3 Vengeful Bloodwitch Exsanguinate 2 Hero's Downfall Marauding Blight-Priest Stromkirk Bloodthief Vampire Nighthawk Zombify Moment of Craving Suspicious Shambler Undying Malice Deathmark Driver of the Dead Duress Knight of Malice Pulse Tracker Sanguine Indulgence Tribute to Hunger Vampiric Rites Vile Entomber Massacre Wurm, Feed the Swarm, and Gatekeeper of Malikir are in traditional foil
One of the more interesting of the cards that let you run any number of copies of it in a deck, Persistent Petitioners is a mill-based version, with the hope that you can generate enough copies of them to mill your opponents out before anything else happens
