Historical Rules · 15 July 2011
Rule 701.19a
Official source text from the 15 July 2011 Rules release
To clash, a player reveals the top card of his or her library. That player may then put that card on the bottom of his or her library.
Historical Rules · 15 July 2011
Official source text from the 15 July 2011 Rules release
To clash, a player reveals the top card of his or her library. That player may then put that card on the bottom of his or her library.