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

then activate 1 of these effects

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

Your monsters cannot be destroyed by battle this turn

If there are no other cards on your side of the field and in your hand

are unaffected by your opponent's monster effects (except their own)

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.