Similar to the Rakdos Delirium matchup, BR's Nethergoyf and Dark Matter Manipulator grow large off graveyard filling, so Solitude's free exile effect is excellent removal before they scale up, especially against an early Moonshadow once its counters start coming off. Pithing Needle is a flexible slot that can hit an activated ability they bring in postboard, such as Magebane Lizard's passive is a trigger not activated so skip naming it, but hold Needle for relevant targets like Nihil Spellbomb's draw trigger is also a trigger, so use discretion; it's primarily sideboard value. Keep the artifact core since BR's hate (Obsidian Charmaw, Meltdown, Unholy Heat) is more about creature removal than artifact hate. Trim the weakest value pieces for more proactive, efficient interaction to race their aggressive disruption plan.