Those cards have [Huckmon] and/or [Sistermon] in their names, so you can add one of them to your hand

Abstract Paintmage Alania, Divergent Storm Balmor, Battlemage Captain Baxter Stockman Breeches, the Blastmaker Bria, Riptide Rogue Captain Howler, Sea Scourge Captain Storm, Cosmium Raider Colorstorm Stallion Don & Raph, Hard Science Dragonfly Swarm Eclipsed Flamekin Effortless Master Elemental Mascot Enigma Drake Fearless Swashbuckler Flaring Cinder Gadget Technician Gleaming Geardrake Intruding Soulrager Iron Man, Master of Machines Johann, Apprentice Sorcerer Kraum, Violent Cacophony Kylox, Visionary Inventor Lilah, Undefeated Slickshot Malcolm, the Eyes Melek, Reforged Researcher Mm'menon, Uthros Exile Mouser Mark III Niv-Mizzet, Visionary Nobody North Wind Avatar Ovika, Enigma Goliath Pinnacle Emissary Prismari, the Inspiration Professor Zei, Anthropologist Saheeli, the Sun's Brilliance Sanar, Innovative First-Year Sanar, Unfinished Genius Shantotto, Tactician Magician Sokka, Bold Boomeranger Spectacular Skywhale Speedball, New Warrior Spider-Man 2099 Stadium Tidalmage Stormcatch Mentor Tellah, Great Sage Tempest Angler The Emperor of Palamecia The Invincible Iron Man The Lord Master of Hell Twinflame Travelers Uharis, the Stormspinner Zaffai and the Tempests

Each of the 30 boosters in this display box has 14 cards, ranging from 1-4 rares or mythics, 3-6 uncommons, and 6-9 commons
It took until mid-OP-07 here in the east to figure out a way to make him work, and it was by using Warlords
the drop shadow was added to the Unlimited Edition release
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