Gellenduo [STON-EN067] Secret Rare Pendulum/Effect Monster You can only activate 1

You can only activate 1 "SPYRAL GEAR - Big Red" per turn

Lord of Striking Thunder" + "Raviel

you can Special Summon this card from your hand during that Battle Phase

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

inflict damage to your opponent equal to half the current ATK of that monster your opponent controls

Gellenduo [STON-EN067] Secret Rare Pendulum/Effect Monster You can only activate 1Set: Strike of Neos Card type: Effect Monster Rarity: Secret Rare Attack: 1700 Defense: 0 This card cannot be destroyed by battle. When this card's controller takes any damage, destroy this card. If you Tribute Summon a LIGHT Fairy Type monster, you can treat this 1 monster as 2 Tribute Monsters for the Tribute Summon.