Contraption Cannon [Unstable] Welcome Deck 2017 Set: 2017 Mega-Tins Mega Pack

Set: 2017 Mega-Tins Mega Pack Card type: Normal Trap Rarity: Rare If you control the same number of monsters as your opponent

Special Summon 1 Xyz Monster from your Extra Deck with the same name as that Xyz Monster

Set: Hidden Arsenal 5: Steelswarm Invasion Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1900 If a "Steelswarm" monster is Tribute Summoned face-up while this card is face-up on the field

Set: OTS Tournament Pack 4 Card type: Effect Monster Rarity: Super Rare Attack: 1400 Defense: 1400 During either player's turn

Set: X Record Pre-Release Promos Card type: Tamer Rarity: Rare Play Cost: 4 [Start of Your Turn] If you have 3 or fewer security cards

Contraption Cannon [Unstable] Welcome Deck 2017 Set: 2017 Mega-Tins Mega PackSet: Unstable Type: Artifact Rarity: Uncommon Cost: {4} {2}, Sacrifice Contraption Cannon: It deals damage to any target equal to the number of Contraptions you control. Common side effects include headaches, ringing in ears, and excessive smithereens. In some cases, a small hole in space time may develop.