Brock's Onix (21/132) [Gym Heroes Unlimited] Fusion Strike When your opponent's monster declares

When your opponent's monster declares an attack: Destroy the attacking monster

equal to the number of your opponent's cards in this card's column

or Aqua-Type monster in your Graveyard

Set: Star Pack VRAINS Card type: Normal Monster Rarity: Starfoil Rare Attack: 200 Defense: 2000 A new species found in electronic space

Set: Structure Deck: Gates of the Underworld Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Target 2 cards from the Graveyard(s)

Brock's Onix (21/132) [Gym Heroes Unlimited] Fusion Strike When your opponent's monster declaresSet: Gym Heroes Unlimited Type: Fighting Rarity: Rare Retreat cost: Colorless,Colorless