XYZ-Dragon Cannon (Alternate Art) (Quarter Century Secret Rare) (MP24-EN011) - 25th Anniversary Tin: Dueling Mirrors 1st Edition

"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.