Historical Rules · 17 June 2011
Rule 400.4a
Official source text from the 17 June 2011 Rules release
If an instant or sorcery card would enter the battlefield, it remains in its previous zone.
Historical Rules · 17 June 2011
Official source text from the 17 June 2011 Rules release
If an instant or sorcery card would enter the battlefield, it remains in its previous zone.