Wondrous Item, Object, Rare
The Deck of Spiders is a 13-card deck, alike a suit from a regular playing card deck, and is considered to be one of several decks under the grander Fate Cards collection.
While in possession of an entire Deck of Spiders collection, the owner gains a bonus to melee attacks so long as they maintain possession of the deck. All successful melee weapon attacks have a chance of paralyzing and poisoning the target. Any target affected by this effect must make a DC 13 Consitution saving throw. On a failure, they are subject to the conditions paralyzed and poisoned until the end of the owner's next turn.