Temporal Symphony

when you cast this spell choose seconds, minutes, hours, or days and roll a D20 on a successful cast of this spell you and up to 9 other creatures of your choosing will move in time a number of seconds, minutes, hours, or days equal to the result either forward or backward. On a failed cast you and your chosen creatures are moved a random number of seconds, minutes, hours, or days forward or backward in time and suffer 3D20 force damage. Additionally, 1d10 of the creatures affected must roll a Wisdom Saving Throw on a failed save they lose 1d20 worth of memories from the last month.