CR / RELEASE 2026-07-24
Rule 190.3
Control can be Contested through the course of play.
Rule hierarchy
Parent
190BattlefieldsDirect children
190.3.aContested is a temporary status applied to the battlefield when a Unit controlled by a Player who does not currently Control that Battlefield Moves or otherwise becomes present there.190.3.bOnce a Showdown or Combat begins at a Battlefield, it remains Contested until Control is established or re-established.190.3.cThe state of a Battlefield being Contested is used to determine when Combat should occur and when a Non-Combat Showdown should occur.190.3.dAt this time Game Effects cannot reference this status.