Historical Rules · 4 October 2019
Rule 508.8
Official source text from the 4 October 2019 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 · 4 October 2019
Official source text from the 4 October 2019 Rules release
If no creatures are declared as attackers or put onto the battlefield attacking, skip the declare blockers and combat damage steps.