Activate only while there is a face-up "Elemental Hero Bubbleman" on the field. Change 1 face-up Attack Position "Elemental Hero Bubbleman" that you control and 1 face-up Attack Position monster your opponent controls to Defense Position. Tribute the "Elemental Hero Bubbleman" that was changed to Defense Position and Special Summon 1 "Elemental Hero" monster from your hand.
![Bubble Shuffle [DR04-EN046] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/d8d296a3-d557-5f50-9ce9-9fdde24f95de.png?v=1698549586&width=1445)