XY-Dragon Cannon

Level 6 LIGHT/Machine Fusion Effect
2200 ATK / 1900 DEF

"X-Head Cannon" + "Y-Dragon Head"
Must first be Special Summoned (from your Extra Deck) by banishing the above cards you control. (You do not use "Polymerization".) Cannot be Special Summoned from the Graveyard. You can discard 1 card, then target 1 face-up Spell/Trap Card your opponent controls; destroy that target.

Rulings – Yugipedia

Printings:

Magician's Force: MFC-051 (Ultra Rare) - 2003-10-10
Dark Revelation Volume 1: DR1-EN106 (Rare) - 2005-03-19
Structure Deck: Seto Kaiba: SDKS-EN043 (Common) - 2016-10-20
Speed Duel: Battle City Box: SBCB-EN083 (Common) - 2020-11-26
25th Anniversary Ultimate Kaiba Set: KC01-EN035 (Ultra Rare) - 2024-03-01

Prices:

Cardmarket: 0.28 €
TCGplayer: $ 0.19