Crystal Wall
If this card is attached to Black Kyurem-EX, its maximum HP is 300.
Card rule
Attach a Pokémon Tool to 1 of your Pokémon that doesn't already have a Pokémon Tool attached to it.
Card rule
You may play as many Item cards as you like during your turn (before your attack).
Card rule
You can't have more than 1 ACE SPEC card in your deck.
Boundaries Crossed