XZ-Tank Cannon

Level 6 LIGHT/Machine Fusion Effect
2400 ATK / 2100 DEF

"X-Head Cannon" + "Z-Metal Tank"
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-down Spell/Trap Card your opponent controls; destroy that target.

Rulings – Yugipedia

Printings:

Magician's Force: MFC-053 (Super Rare) - 2003-10-10
Dark Revelation Volume 1: DR1-EN108 (Rare) - 2005-03-19
Structure Deck: Seto Kaiba: SDKS-EN044 (Common) - 2016-10-20
Speed Duel: Battle City Box: SBCB-EN085 (Common) - 2020-11-26

Prices:

Cardmarket: 0.38 €
TCGplayer: $ 0.16