Historical Rules · 27 April 2018
Rule 304.1
Official source text from the 27 April 2018 Rules release
A player who has priority may cast an instant card from their hand. Casting an instant as a spell uses the stack. (See rule 601, “Casting Spells.”)
Historical Rules · 27 April 2018
Official source text from the 27 April 2018 Rules release
A player who has priority may cast an instant card from their hand. Casting an instant as a spell uses the stack. (See rule 601, “Casting Spells.”)