Gesture of the Drowned

This item requires attunement(does not use a slot)
once attuned the item cannot be unattuned
until the creature dies, when the attuned creature
dies the creature shatters into glass shards.
While attuned you gain the following effects.
•At the start of your turn roll a d6. If you roll a 6, immediately cast a random spell you can cast.
(will be casted at the default level)
•This does not use a spell-slot but does take an action/bonus action to cast it.