Gem-Knight Prismaura [HA06-EN020] Secret Rare BT11-094 you can discard this card

you can discard this card from your hand to the Graveyard to target 1 card in your opponent's Graveyard

and until the End Phase it also gains the banished monster's effects

• 7 Plains

While "The Sanctuary in the Sky" is on the field

Set: Nintendo: Black Star Promos Type: Metal Rarity: Black Star Promo Retreat cost: Colorless

Gem-Knight Prismaura [HA06-EN020] Secret Rare BT11-094 you can discard this cardSet: Hidden Arsenal 6: Omega Xyz Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 2450 Defense: 1400 1 "Gem Knight" monster + 1 Thunder Type monster Must first be Fusion Summoned. Once per turn: You can send 1 "Gem Knight" card from your hand to the Graveyard to target 1 face up card on the field; destroy that target.