Perpetual Timepiece
From Outlaws of Thunder Junction Commander set
Perpetual Timepiece
Artifact
: Mill two cards. (Put the top two cards of your library into your graveyard.)
, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.
Rulings
- You can activate Perpetual Timepiece's second ability with no targets just to shuffle your library. If you choose any targets and they all become illegal targets, the ability won't resolve and you won't shuffle your library.
