A-to-Z-Dragon Buster Cannon [SDKS-EN040] Ultra Rare BT9-017 reduce its play cost by

reduce its play cost by 2 if you have [Guilmon]

[Your Turn] [Once Per Turn] When one of your Digimon with [D-Brigade] in its traits attacks

for every 10 cards in your trash

when a Spell Card is activated that targets exactly 1 monster you control (and no other cards): You can negate the activation

If this card is discarded: You can add 1 "Danger

A-to-Z-Dragon Buster Cannon [SDKS-EN040] Ultra Rare BT9-017 reduce its play cost bySet: Structure Deck: Seto Kaiba Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 "ABC Dragon Buster" + "XYZ Dragon Cannon" Must be Special Summoned (from your Extra Deck) by banishing cards you control with the above original names, and cannot be Special Summoned by other ways. (You do not use "Polymerization".) During either player's turn, when your opponent activates a Spell Trap Card, or monster effect: You can discard