Missing sideboard cards? The full 15-card sideboard runs about $45.63.
Buy sideboard on ManapoolBlood Moon is devastating here since their manabase leans heavily on colorless utility lands like Eldrazi Temple and Ugin's Labyrinth that become Mountains and produce red mana instead of colorless mana, and they have almost no basic Forests to fetch around it. Wrath of the Skies sweeps their small Eldrazi Spawn tokens and Basking Broodscale before it grows, while Damping Sphere slows their ramp into Emrakul and ability-heavy lands. Static Prison is weak against a deck full of lands and X/X creatures that dodge exile timing poorly, and Voice of Victory's tempo plan is less relevant against a grindy value deck. Keep Goblin Bombardment and Galvanic Discharge in as your main interaction against Basking Broodscale and Glaring Fleshraker.
High Noon is excellent against their low-to-the-ground tempo plan, restricting them to one spell per turn and completely dismantling Cori-Steel Cutter's Flurry trigger which needs a second spell each turn. Damping Sphere further taxes their multi-spell turns and slows Expressive Iteration/cantrip chains. Static Prison is a poor rate against a deck full of cheap, replaceable threats and burn spells that can just kill it before it matters, while Thraben Charm's damage mode is often too slow against their prowess creatures. Blood Moon in the maindeck is already strong since they run several nonbasics, and Galvanic Discharge answers Dragon's Rage Channeler and Monastery Swiftspear efficiently.
Blood Moon is weak here since they have plenty of basics and their key threats (Overlord of the Balemurk, Solitude, Orcish Bowmasters) don't care about land types. Sanctifier en-Vec gives protection from black and red, dodging Fatal Push and Orcish Bowmasters pings while its graveyard exile clause hampers their Overlord of the Balemurk and Emperor of Bones recursion plans. High Noon slows their glut of cheap interaction and blink synergies by limiting them to one spell per turn, which is brutal against a deck that wants to chain Ephemerate and Phelia triggers. Static Prison is risky against their bounce/blink effects like Flickerwisp and Phelia which can reset the energy clock or dodge it outright.