Naturia Exterio [HA04-EN055] Secret Rare Champion Pack 4 you can discard 1 card

you can discard 1 card to add 1 Iron Core of Koa'ki Meiru from your Deck to your hand

This card cannot be Special Summoned except by sending 1 face-up "Elemental Hero Neos" and 1 face-up "Yubel" you control to the Graveyard

Set: Clash of Rebellions Card type: Xyz/Effect Monster Rarity: Ghost Rare Attack: 2800 Defense: 2400 2 Level 7 monsters Cannot be destroyed by card effects while it has Xyz Material

except "Diamond Core of Koa'ki Meiru"

Naturia Exterio [HA04-EN055] Secret Rare Champion Pack 4 you can discard 1 cardSet: Hidden Arsenal 4 Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 2400 "Naturia Beast" + "Naturia Barkion" A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters. While this card is face up on the field, you can negate the activation of a Spell Trap Card, and destroy it, by removing from play 1 card from your Graveyard, then sending the top card of your Deck to the Graveyard.