It can't be the target of Recommission, a spell that targets an artifact or creature card with mana value 3 or less in your graveyard

Madison Li 1 Liberty Prime, Recharged 1 Automated Assembly Line 1 Brotherhood Scribe 1 Overencumbered 1 The Prydwen, Steel Flagship 1 Sentry Bot 1 Dweller's Journey 1 Curie, Emergent Intelligence 1 James, Wandering Dad 1 Nick Valentine, Private Eye 1 Synth Infiltrator 1 Assaultron Dominator 1 The Motherlode, Excavator 1 Plasma Caster 1 Synth Eradicator 1 Arcade Gannon 1 Electrosiphon 1 Red Death, Shipwrecker 1 Rex, Cyber-Hound 1 Sentinel Sarah Lyons 1 Shaun, Father of Synths 1 Sadistic Simulation 1 Brotherhood Vertibird 1 T-45 Power Armor 1 Ferrous Lake 1 HELIOS One 1 Austere Command 1 Open the Vaults 1 Mechanized Production 1 One with the Machine 1 Wake the Past 1 Mystic Forge 1 Panharmonicon 1 Solemn Simulacrum 1 Steel Overseer 1 Clifftop Retreat 1 Exotic Orchard 1 Glacial Fortress 1 Irrigated Farmland 1 Prairie Stream 1 Skycloud Expanse 1 Spire of Industry 1 Sulfur Falls 1 Temple of Enlightenment 1 Temple of Epiphany 1 Treasure Vault 1 Paladin Danse, Steel Maverick 1 Nerd Rage 1 Robobrain War Mind 1 Bottle-Cap Blast 1 Elder Owyn Lyons 1 Behemoth of Vault 0 1 C.A.M.P

But the name "Uh-Oh, Rhino" is pretty adorable, and having such a great name is a good way to make sure people actually test the card
The dragons great in a red artifact deck trying to power out big artifacts quickly because early mana rocks work incredibly well with big affinity spells
It's very strong there and in many other places, love this thing loads