Greymalken Evaporator

Warding: When a non-blue creature attacks you.
(You may pay {3} to put this card into play face
down attached to a land. In response to the trigger
condition, you may tap the land and reveal the card.
If you do, play the spell and copy it once. )
Return target creature to it's owner's hand.
"Vampire Castles and Manors are protected by more
than brute guards, and valor alone may not avail."