The cards are: Serialized Poster Cards Andril, Flame of the West Aragorn, the Uniter Arwen, Mortal Queen Dawn of a New Age Gandalf the White Glamdring Hew the Entwood Last March of the Ents Mount Doom Palantr of Orthanc Radagast the Brown Saruman of Many Colors Sauron, the Dark Lord Shadow of the Enemy Spiteful Banditry Storm of Saruman The One Ring The Watcher in the Water Tom Bombadil Witch-king of Angmar Serialized Realms and Relics Cards The Party Tree Elessar, the Elfstone Bridge of Khazad-dm Argonath, Pillars of the Kings Three Rings for the Elven-Kings Morgul-Knife Herugrim, Sword of Rohan Ring of Barahir Shards of Narsil Balin's Tomb Barrow-Downs Isengard, Saruman's Fortress Minas Morgul Meduseld, Golden Hall of Edoras Paths of the Dead Weathertop Glittering Caves of Aglarond Green Dragon Inn Bag End White Tower of Ecthelion Osgiliath Fallen Capital Dol Amroth Redhorn Pass Bucklebury Ferry Inn of the Prancing Pony Henneth Annun Helm's Deep The Dead Marshes Valley of Gorgoroth Fangorn Forest Do LotR Special Edition Collector Boosters Have Cards from the Original Set

UR Ultra Rare Harpie's Feather Rest X SPELL Target 3 "Harpie Lady" and/or "Harpie Lady Sisters" in your GY
1x Illustration flash csMC single card (13 types in total, 1 included at random)
While "spell" does include creatures, artifacts, and enchantments in the context of Rolling Attack, the inclusion of Electric Thunder really promotes buffing him up with spells like Titan's Strength, Brute Force, Samut's Sprint, and Infuriate to keep the damage going to every character possible