Historical Rules · 1 February 2013
Rule 401.2
Official source text from the 1 February 2013 Rules release
Each library must be kept in a single face-down pile. Players can't look at or change the order of cards in a library.
Historical Rules · 1 February 2013
Official source text from the 1 February 2013 Rules release
Each library must be kept in a single face-down pile. Players can't look at or change the order of cards in a library.