XYZ-Dragon Cannon (Ultra Rare)
Ref: DR1-EN107
This Fusion Monster can only be Special Summoned by removing from play X-Head Cannon, Y-Dragon Head and Z-Metal Tank on your side of the field. You do not use Polymerisation to Special Summon this Monster from your Fusion Deck. Discard one card from your hand to destroy one card on your opponent's side of the field.