Index entry
Mystery Powder
The pouch contains 1d8+8 handfuls of powder. As an action, you can throw a handful at a creature within 15 feet.
Complete rules
The pouch contains 1d8+8 handfuls of powder. As an action, you can throw a handful at a creature within 15 feet. Make a ranged weapon attack against the creature. On a hit, roll on the Wild Magic Surge table (Player’s Handbook, p. 104). The effect targets the creature. On a miss, roll on the table and suffer the effect yourself.