Reliquary of Holy Memories

Alter: This scepter holds the bones of a powerful martyred saint and are said to contain the echoes of their memories. The rod can also be used as a magic mace. While attuned to this rod, you can prepare one additional spell for each bone held within the rod, up to a maximum of 5. 

Attunement: Cleric/ Paladin
Rarity: Varies
Type: Scepter/ Mace
Cost: Varies

Griffons Saddlebag, Vol II

Rarity	Number of Bones	Number of Extra Spells	Cost
Uncommon	1-2	1-2	290gp
Rare	3	3	2610gp
Very Rare	4	4	26100gp
Legendary	5	5	???