XY-Dragon Cannon [DR1-EN106] Rare SV028 You can only use each

You can only use each effect of "Graydle Parasite" once per turn

Set: Sneak Preview Series 3 Card type: Effect Monster Rarity: Super Rare Attack: 2500 Defense: 1200 When this card is Special Summoned by the effect of a "Gladiator Beast" monster

You can only activate 1 "Spellbook of Secrets" per turn

are unaffected by your opponent's card effects

XY-Dragon Cannon [DR1-EN106] Rare SV028 You can only use eachSet: Dark Revelation Volume 1 Card type: Fusion Effect Monster Rarity: Rare Attack: 2200 Defense: 1900 "X Head Cannon" + "Y Dragon Head" This card cannot be Special Summoned except by removing from play the above cards on your side of the field then you can Special Summon this card from your Fusion Deck (You do not use 'Polymerization'). Discard 1 card from your hand to destroy 1 face up Spell or Trap Card on your opponent's side of the field.