Historical Rules · 18 June 2010
Rule 400.4a
Official source text from the 18 June 2010 Rules release
If an instant or sorcery card would enter the battlefield, it remains in its previous zone.
Historical Rules · 18 June 2010
Official source text from the 18 June 2010 Rules release
If an instant or sorcery card would enter the battlefield, it remains in its previous zone.