B.E.S. Crystal Core [CRV-EN021] Ultimate Rare Sea Serpent Set: ZEXAL World Duel Carnival

Set: ZEXAL World Duel Carnival Promos Card type: Normal Spell Rarity: Ultra Rare Target 1 Machine-Type monster in your Graveyard with 3000 or more ATK

Duelists new and old can finally call these Decks their very own with Yugi’s Legendary Decks

then discard 2 cards

"Left Leg of the Forbidden One"

B.E.S. Crystal Core [CRV-EN021] Ultimate Rare Sea Serpent Set: ZEXAL World Duel CarnivalSet: Cybernetic Revolution Card type: Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 1000 Put 3 counters on this card when you Normal Summon it. This card is not destroyed as a result of battle. If this card battles a monster, remove 1 counter from this card at the end of the Damage Step. If this card battles without a counter, destroy this card at the end of the Damage Step. Once per turn, during your Main Phase, you can change 1 face up