Bag of Fall Leaves

This is a small bag filled with an impossible amount of crunchy fallen leaves. As an action you can open the bag and dump the leaves on the ground into an unoccupied space within 5 feet of you. The leaves pour out and fill a 5ft cube in that space. Any creature that starts its turn within 20ft of the leaves must succeed on a DC 16 Wisdom Saving throw of be compelled to leap into the pile until their turn. If a creature succeeds on the save or is no longer compelled, they become immune to the effects for 24 hours. 

The bag holds enough leaves to create 3 piles a day and regains leaves every 1d3 days.