Fossil Dyna Pachycephalo [LODT-EN099] Secret Rare Hidden Arsenal then activate 1 of these

then activate 1 of these effects

Set: 2006 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 2100 Defense: 1600 If there is a monster on your opponent's side of the field and there are no monsters on your side of the field

Your monsters cannot be destroyed by battle this turn

and inflict damage to your opponent equal to the equipped monster's ATK

Set: Hidden Arsenal 4 Card type: Tuner Monster Rarity: Super Rare Attack: 1400 Defense: 400 You can return 1 face-up monster you control to the hand to Special Summon this card from your hand

Fossil Dyna Pachycephalo [LODT-EN099] Secret Rare Hidden Arsenal then activate 1 of theseSet: Light of Destruction Card type: Effect Monster Rarity: Secret Rare Attack: 1200 Defense: 1300 Neither player can Special Summon monsters. When this card is flipped face up, destroy all Special Summoned monsters on the field.