Target 1 "HERO" monster you control; send it to the GY, also, after that, if it left the field by this effect, Special Summon 1 "Masked HERO" monster from your Extra Deck with the same Attribute that the sent monster had when it was on the field (its original Attribute, if face-down).
![Mask Change [LEHD-ENA21] Common](http://paradoxtcg.com/cdn/shop/products/8f3fde59-8b3b-5647-ace1-8c0efa0e3288.png?v=1698820786&width=1445)
