Name:Riddlekeeper
ManaCost:2 U
Types:Creature Homunculus
PT:1/4
T:Mode$ Attacks | ValidCard$ Creature | Attacked$ You,Planeswalker.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigMill | TriggerDescription$ Whenever a creature attacks you or a planeswalker you control, that creature's controller puts the top two cards of his or her library into his or her graveyard.
SVar:TrigMill:AB$ Mill | Cost$ 0 | NumCards$ 2 | Defined$ TriggeredAttackerController
SVar:Picture:http://www.wizards.com/global/images/magic/general/riddlekeeper.jpg
Oracle:Whenever a creature attacks you or a planeswalker you control, that creature's controller puts the top two cards of his or her library into his or her graveyard.