XYZ-Dragon Cannon [MFC-052] Ultra Rare Skill/Continuous Trap You can only use this

You can only use this effect of "Doomdog Octhros" once per turn

Set: Magician's Force Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 During this turn

Set: 2015 Mega-Tins Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 2000 Defense: 2200 1 Synchro or Xyz Monster + 1 Synchro or Xyz Monster When this card is Special Summoned: You can target 1 Level 4 or lower monster in your Graveyard

(Most Duelists never noticed

If a face-up "Malefic" monster you control

XYZ-Dragon Cannon [MFC-052] Ultra Rare Skill/Continuous Trap You can only use thisSet: Magician's Force Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2600 "X Head Cannon" + "Y Dragon Head" + "Z Metal Tank" This monster can only be Special Summoned by removing from play the above monsters on your side of the field. You do not use "Polymerization" to Special Summon this monster from your Fusion Deck. Discard 1 card from your hand to destroy 1 card on your opponent''s side of the field.