*
(This creature is put into your mana zone tapped.)
Shield trigger
(When this creature is put into your hand from your shield zone, you may summon it immediately for no cost.)
Blocker
(Whenever an opponent's creature attacks, you may tap this creature to stop the attack. Then the 2 creatures battle.)
* When you put this creature into the battle zone, choose one of your opponent's creatures. Until the start of your next turn, that creature can't attack or block.