Great Unclean One is probably worth popping in the Endless Punishment deck despite only causing life loss on your own turn
Ascended Lawmage Augury Adept Aven Mimeomancer Azorius Guildmage Azorius thermage Deepway Navigator Deputy of Acquittals Deputy of Detention Elite Guardmage Epistolary Librarian Ethersworn Shieldmage Genku, Future Shaper Glamer Spinners Hama Pashar, Ruin Seeker Hope Estheim Ith, High Arcanist Jubilant Skybonder Kangee, Aerie Keeper Kangee, Sky Warden Krile Baldesion Kwain, Itinerant Meddler Kykar, Zephyr Awakener Linvala, Shield of Sea Gate Malcator, Purity Overseer Meddling Mage Midnight Pathlighter Mistmeadow Vanisher Mistmeadow Witch New Prahv Guildmage Niko, Light of Hope Portal Manipulator Puresight Merrow Raff Capashen, Ship's Mage Raff, Weatherlight Stalwart Rasputin Dreamweaver Rasputin, the Oneiromancer Reflector Mage Senate Guildmage Sharae of Numbing Depths Somnomancer Stenn, Paranoid Partisan Sygg, River Guide Thistledown Duo Watcher of the Spheres Will, Scion of Peace
This is allowed, of course, and if the attacking creature has menace, it cant be blocked by a single creature
Gwenom, Remorseless Bolas's Citadel is a messed up card
Since The Ur-Dragon has massive stats, you'll generally want to be attacking with it, however
At least 20+ Rares/Foils
