Rules Change To Precombat and Postcombat Main Phases
Open link in next tab
Rules Change To Precombat and Postcombat Main Phases | Commander's Herald
https://commandersherald.com/rules-change-to-precombat-and-postcombat-main-phases/
On July 23rd, Magic Rules Guru Matt Tabak confirmed this functional rules change through a series of explanatory tweets.