X-Head Cannon

 This card's OCG/TCG artwork is taken from , specifically from the panel where this monster is shown being Summoned.

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This monster appears in the artwork of Union Hangar and Union Scramble.

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OCG Rulings

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The effect of a "Y-Dragon Head" which equips it to "X-Head Cannon" starts a Chain.: Effect Monster > Z-Metal Tank

Heavy Mech Support Platform: If you have a monster, "X-Head Cannon" for example, equipped with "Heavy Mech Support Platform", and you activate "Limiter Removal", the ATK will becomes (1800 + 500) x 2 = 4600. Also, the "Heavy Mech Support Platform" will be destroyed instead of the "X-Head Cannon" during the End Phase (by the effect of "Limiter Removal") and "X-Head Cannon's" ATK will no longer be doubled.

Pole Position: EXAMPLE #1
I have "Pole Position", "Luminous Spark" (+500 to LIGHT), and "Gemini Elf" (1900 ATK / EARTH) face-up on the field. “Gemini Elf” is the monster on the field with the highest ATK, so it is unaffected by Spell Cards. If the opponent Summons "X-Head Cannon" (1800 ATK / LIGHT), “Luminous Spark” will raise the ATK of “X-Head Cannon” to 2300, making it the highest ATK monster on the field, so it’s unaffected by Spell Cards, so it drops to 1800 ATK, then increases to 2300, then drops to 1800, etc. This would create an infinite loop. Therefore, the opponent cannot Summon “X-Head Cannon”.

Union Monster: If an equipped monster is taken by the opponent (such as with "Snatch Steal"), the Union Monster remains where it is, although it is still equipped to the monster, and the player who controls the Union Monster can detach it and it is Special Summoned to that player's side of the field. (So if I have "X-Head Cannon" equipped with "Z-Metal Tank", and my opponent uses "Snatch Steal" on "X-Head Cannon", on my next Main Phase I can detach "Z-Metal Tank" and it is Special Summoned onto my side of the field because I still control it.)

A-to-Z: You CAN remove a face-down "X-Head Cannon", etc., from play to Special Summon one of these monsters from the Extra Deck.

Y-Dragon Head: If "Y-Dragon Head"s ATK is doubled with "Limiter Removal", and then "Y-Dragon Head" is equipped to "X-Head Cannon", "Y-Dragon Head" is not destroyed at the end of the turn.

Z-Metal Tank: If "Z-Metal Tank"s ATK is doubled with "Limiter Removal", and then "Z-Metal Tank" is equipped to "X-Head Cannon", "Z-Metal Tank" is not destroyed at the end of the turn.