It keeps the board state growing while thinning your deck, making it easier to chain even more dragons into play turn after turn
I can perfectly imagine that decks will adapt their builds so that they are hurt less in case a bad mill from PokStop happens, but I totally see this card as a must-have for strategies like Mad Party, Zoroark Toolbox and maybe turbo decks
First, many non-book Artifacts have activated abilities, meaning that the addition of the book subtype wouldn't add any unique identifier
Its important to remember that the 100 cards also include the commander itself, which doesnt go in your library

Built from Scratch Daretti, Scrap Savant | Illustration by Dan Scott Commander (1) Creature (26) Goblin Welder Epochrasite Myr Retriever Myr Sire Bottle Gnomes Cathodion Junk Diver Palladium Myr Pilgrim's Eye Tuktuk the Explorer Dualcaster Mage Feldon of the Third Path Solemn Simulacrum Flametongue Kavu Beetleback Chief Ingot Chewer Steel Hellkite Wurmcoil Engine Spitebellows Hoard-Smelter Dragon Warmonger Hellkite Myr Battlesphere Pentavus Tyrant's Familiar Bosh, Iron Golem Bogardan Hellkite Instant (6) Impact Resonance Chaos Warp Volcanic Offering Word of Seizing Magmaquake Starstorm Sorcery (5) Faithless Looting Whipflare Scrap Mastery Incite Rebellion Blasphemous Act Enchantment (1) Artifact (22) Everflowing Chalice Panic Spellbomb Sol Ring Wayfarer's Bauble Fire Diamond Ichor Wellspring Liquimetal Coating Mind Stone Mycosynth Wellspring Ruby Medallion Swiftfoot Boots Commander's Sphere Jalum Tome Pristine Talisman Unstable Obelisk Trading Post Caged Sun Dreamstone Hedron Loreseeker's Stone Spine of Ish Sah Darksteel Citadel Great Furnace Land (39) Arcane Lighthouse Buried Ruin Dormant Volcano Flamekin Village Forgotten Cave Ghost Quarter Phyrexia's Core Reliquary Tower Smoldering Crater Temple of the False God Mountain x29 Commander, Themes, and Strategy Built from Scratch is the mono-red artifact-themed deck from Commander 2014
