You can only activate this card when there is a face-up Elemental Hero Bubbleman on the field. Change 1 "Elemental Hero Bubbleman" in face-up Attack Position on your side of the field and 1 monster in face-up Attack Position on your opponent''s side of the field to Defense Position. Tribute the "Elemental Hero Bubbleman" that was changed to Defense Position and Special Summon 1 monster from your hand that includes "Elemental Hero" in its card name.
![Bubble Shuffle [CRV-EN046] Ultimate Rare | Black Swamp Games](http://blackswampgames.com/cdn/shop/products/f22cb02f-0c2a-5910-843f-915204861bd0.jpg?v=1643071825)
