Blocker (Whenever an opponent's creature attacks, you may tap this creature to stop the attack. Then the 2 creatures battle.)
■ Double breaker (This creature breaks 2 shields.)
■ When you put this creature into the battle zone or whenever you cast a spell that has "Spark" in its name, your opponent's creatures don't untap until the start of your next turn.
Shield Trigger ■ Tap all your opponent's creatures.