Swear Jar

In their ritual the caster sets up a list of banned words as they touch a glass jar.  If the caster hears theses  word in a language they understand the speaker will lose 1 copper. It will appear in side the jar swirling around.  If  the speaker has no money (on them or other wise) nothing happens. The jar can only contain 14 coins before it will bursts. The caster can use their action on their turn to make the jar burst. If the jar  brakes such as falling to the ground or being thrown it will burst. All players in range make a dexterity save. It will deal  1  bludgeoning damage for each coin in the jar maximum of 14 as the coins explode from the jar for a 10 foot radius sphere.  When the spell ends in a 10 foot radius the ground is covered in broken class a 14 copper.

for each level beyond second an additional 3 coins and 3 damage when burst.