■ Blocker (Whenever an opponent 's creature attacks , you may tap this creature to stop the attack . Then the 2 creatures battle .)

■ Double breaker

■ During your opponent 's turn , whenever your opponent puts a creature without tapping cards in their mana zone , you may say "マナコストはちゃんとはらえよ!". If you do, your opponent puts that creature on the bottom of their deck .