Historical Rules · 1 June 2014
Rule 508.6
Official source text from the 1 June 2014 Rules release
If no creatures are declared as attackers or put onto the battlefield attacking, skip the declare blockers and combat damage steps.
Historical Rules · 1 June 2014
Official source text from the 1 June 2014 Rules release
If no creatures are declared as attackers or put onto the battlefield attacking, skip the declare blockers and combat damage steps.