Bloodwell Vial +2

Rare

Wondrous item, rare (requires attunement by a sorcerer) To attune to this vial, you must place a few drops of your blood into it. The vial can't be opened while your attunement to it lasts. If your attunement to the vial ends, the contained blood turns to ash. You can use the vial as a spellcasting focus for your spells while wearing or holding it, and you gain a +2 bonus to spell attack rolls and to the saving throw DCs of your sorcerer spells. In addition, when you roll any Hit Dice to recover hit points while you are carrying the vial, you can regain 5 sorcery points. This property of the vial can't be used again until the next dawn.

Rod of the Pact Keeper +2

Rare

While holding this rod, you gain a +2 bonus to spell attack rolls and to the saving throw DCs of your warlock spells. In addition, you can regain one warlock spell slot as an action while holding the rod. You can't use this property again until you finish a long rest.