Gem-Knight Obsidian [HA06-EN031] Super Rare BT2-010 then reveal the top 5

then reveal the top 5 cards of your Deck and destroy monsters on the field up to the number of "Spellbook" cards revealed

You can only use this effect of "Raiden

Set: Structure Deck: Zombie Horde Card type: Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2000 During the Standby Phase

you can select 1 Zombie-Type monster in your opponent's Graveyard and Special Summon it to your side of the field in Attack Position

With the death of Avacyn

Gem-Knight Obsidian [HA06-EN031] Super Rare BT2-010 then reveal the top 5Set: Hidden Arsenal 6: Omega Xyz Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1200 If this card is sent from the hand to your Graveyard: You can target 1 Level 4 or lower Normal Monster in your Graveyard; Special Summon that target.