Armband of Magic Resistance (5e Equipment)

Wondrous item, uncommon (+1), rare (+2), very rare (+3), or legendary (+4) (requires attunement)

An iron (uncommon), sliver (rare), gold (very rare), or platinum (legendary) armband that gives the wearer some semblance of protection from magic. The armband has glyphs carved onto the band that look magical in nature. You gain a bonus to saving throws made against magic while wearing this magical armband, which is determined by its rarity.