You have Advantage on saving throws against spells and other magical effects.
Blessing of Magic Resistance
RewardXDMGp. 982024
Raw data
{
"name": "Blessing of Magic Resistance",
"page": 98,
"type": "Blessing",
"__prop": "reward",
"source": "XDMG",
"entries": [
"You have {@variantrule Advantage|XPHB} on saving throws against spells and other magical effects."
]
}