Sands of Time

has 10 charges represented by the amount of sand within. It regains 1d8 + 2 expended charges daily at dawn. Also, if you expend the last charge, roll a d20. On a 20, Aion regains 1d6 charges.
The user may use these charges for the following properties:
Time Flux. The attuned user of Aion is always pulled in different directions by time itself, making it hard to remain constant in the present. The character rerolls Initiative at the beginning of each round. Furthermore, all spells attacks and DCs are increased by 1. (No charges)
Alternate Preparation. The attuned user of Aion is able to pull bits and pieces of knowledge from alternate timelines. As a bonus action, the Character is able to change one of their prepared spells for any other they know. (2 charges)
Spells. While holding the hourglass, you can use an action to expend some of its charges to cast the following spell from it, using your spell save DC and spellcasting ability: hold person (2 charges)