Winged Kuriboh LV10 (AC19-EN023) - Advent Calendar 2019 1st Edition

Cannot be Normal Summoned/Set. Must be Special Summoned with "Transcendent Wings". During your opponent's Battle Phase (Quick Effect): You can Tribute this face-up card; destroy as many Attack Position monsters your opponent controls as possible, and if you do, inflict damage to your opponent equal to the combined original ATK of those destroyed monster(s).