Spellguard Shield

Armor (shield), very rare (requires attunement)

• Armor Class: 2
• Weight: 6.0 lbs.

While holding this Shield, you have Advantage on saving throws against spells and other magical effects, and spell attack rolls have Disadvantage against you.

Source: Dungeon Master’s Guide (2024) p. 305. Available in the SRD and the Free Rules (2024)