Gem-Knight Sardonyx [HA07-EN001] Super Rare Battle Pack Tournament Prize Cards if an Xyz Monster you

if an Xyz Monster you control would activate an effect by detaching an Xyz Material(s)

playset of the Professor's Research Supporter card featuring Professor Juniper

Set: Starter Deck: Yuya Card type: Pendulum/Effect Monster Rarity: Common Attack: 800 Defense: 1000 You can Tribute this card

• You can Tribute this card

Gem-Knight Sardonyx [HA07-EN001] Super Rare Battle Pack Tournament Prize Cards if an Xyz Monster youSet: Hidden Arsenal 7: Knight of Stars Card type: Gemini Monster Rarity: Super Rare Attack: 1800 Defense: 900 This card is treated as a Normal Monster while face up on the field or in the Graveyard. While this card is face up on the field, you can Normal Summon it to have it become an Effect Monster with this effect. When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can add 1 "Gem Knight" card from your Deck to