459.2.b. 1. Establish who is Attacker and who is Defender. 459.2.b.1. The Attacker is the player whose unit(s) applied the Contested status to the Battlefield. They gain the Attacker designation now. 459.2.b.1.a. This player gains Focus as the showdown begins. 459.2.b.2. The Defender is the player who did not apply the Contested status to the Battlefield. They gain the Defender designation now. 459.2.b.3. Units at the Contested Battlefield controlled by the Attacker gain the Attacker designation now. 459.2.b.3.a. If a Unit controlled by the Attacker becomes present at this Battlefield after this moment, it will gain the Attacker designation during the Cleanup phase following the action that caused it to become present 459.2.b.4. Units at the Contested Battlefield controlled by the Defender gain the Defender designation now. 459.2.b.4.a. If a Unit controlled by the Defender becomes present at this Battlefield after this moment it will gain the Defender designation during the Cleanup phase following the action that caused it to become present