very rare
Spellguard Shield
Armor (Shield), very rare (requires attunement)
While holding this Shield, you have Advantage on saving throws against spells and other magical effects, and spell attack rolls have Disadvantage against you.
Worth around 40,000 gp, the 2024 value for a very rare armor. How item prices work
Spellguard Shield is from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 International License. Full attribution is on the Licenses & Attribution page.