Hall Decker
Wondrous item, common
This fragile ornament has a series of three numbered dials around its circumference. You can use an action to throw the ornament at a point that you can see within 30 feet of you, shattering and destroying the ornament. When you do, roll a d20 three times, recording each result. Alternatively, you can use an action before throwing the ornament to choose each result.
The ornament explodes into a flurry of festive décor that decorates the area in a 60-foot radius, centered on the point and spreading around corners. Use the result of the first d20 to determine the amount of décor (where 1 is a little, and 20 is a lot), and the second two results to determine the type or themes of the celebration. The decorations turn to glitter and then disappear after 7 days or when they're removed from the area in which they appeared.

"No no no, we can't have the Solstice ceremony here, this place is hideous!"
"That I can handle, it's just a matter of decor. See, we take this orb, and—"
"Give that here, I'll do it!"
"No! You need to—"
20, 8, 15. Silence reigned as the two planners dug themselves from a pile of leaves and black ribbons.
"—set the rings. So… I guess the theme for this Winter celebration will be 'gaudy Autumn funeral.'"
