Mist Valley Apex Avian [DT02-EN079] Rare Booster Boxes When this card is Tribute

When this card is Tribute Summoned successfully

You can only use this effect of "Gouki Riscorpio" once per turn

then Special Summon 1 Level 7 or lower DARK Spellcaster monster from your Deck

Set: Dark Revelation Volume 2 Card type: Effect Monster Rarity: Common Attack: 1700 Defense: 1000 During battle between attacking Beast

Mist Valley Apex Avian [DT02-EN079] Rare Booster Boxes When this card is TributeSet: Duel Terminal 2 Card type: Effect Monster Rarity: Rare Attack: 2700 Defense: 2000 When an effect is activated, you can return 1 face up "Mist Valley" card you control. Return that "Mist Valley" card to your hand and negate that activation and destroy the card.