B.E.S. Crystal Core [CRV-EN021] Ultimate Rare Fusion/Effect Monster or Effect Monster's effect that

or Effect Monster's effect that destroys a card(s) on the field

1 Cataclysmic Gearhulk

Special Summon 1 Level 5 or lower Fusion Monster from your Extra Deck

this card gains 1000 ATK

• 8 Forest

B.E.S. Crystal Core [CRV-EN021] Ultimate Rare Fusion/Effect Monster or Effect Monster's effect thatSet: 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