"X-Head Cannon" + "Y-Dragon Head" + "Z-Metal Tank"
Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control. Cannot be Special Summoned from the GY. You can discard 1 card, then target 1 card your opponent controls; destroy that target.
![XYZ-Dragon Cannon (Alternate Art) [MP24-EN011] Quarter Century Secret Rare](http://www.brainwashcards.com/cdn/shop/files/ygo_placeholder_539826fe-dfd3-4605-b09f-d7051f6440b0.png?v=1726767081&width=1445)
![XYZ-Dragon Cannon (Alternate Art) [MP24-EN011] Quarter Century Secret Rare](http://www.brainwashcards.com/cdn/shop/files/579487.jpg?v=1727890007&width=1445)
![XYZ-Dragon Cannon (Alternate Art) [MP24-EN011] Quarter Century Secret Rare](http://www.brainwashcards.com/cdn/shop/files/579487_c55b8586-8abd-4cd1-9a47-8152874cd90c.jpg?v=1728086054&width=1445)
![XYZ-Dragon Cannon (Alternate Art) [MP24-EN011] Quarter Century Secret Rare](http://www.brainwashcards.com/cdn/shop/files/579487_e51276d6-3188-41cb-8f57-11f10687330a.jpg?v=1728492081&width=1445)