You do not have to use a Fuse ability in order to cast this card from your Extra Deck. As an additional cost to cast this creature, you must exile one ABC-Dragon Buster and one XYZ-Dragon Cannon that you control.

Discard 1 card: Counter target spell.

You can exile this card you control: put one ABC-Dragon Buster and one XYZ-Dragon Cannon that are exiled onto the battlefield tapped.