Rule 466.5
1. If no Showdown or Combat is staged at this location, the player with Units remaining here Establishes Control if they didn’t already control this Battlefield.
- 466.5.a Clear the Contested Status.
- 466.5.b If there are no Units remaining here controlled by any player, the Battlefield becomes Uncontrolled.
- 466.5.c Remove all Hidden cards from this Battlefield that do not share a controller with the Battlefield.
- 466.5.d Establishing Control results in a Conquer if that player has not yet scored this Battlefield this turn. See rule 188…
- 466.5.e This does not have to be the player that applied Contested to the Battlefield.