Stonewall Confidence (Yellow) (MPG107) [Mastery Pack Guardian]

<em>(Aura's stay in the arena until they are destroyed.)</em>
<br><strong>Go again</strong>
<br>While Stonewall Confidence is in the arena, cards you control with cost [3 Resource] or greater gain +3 [Defense] while defending.
<br>At the beginning of your action phase, destroy Stonewall Confidence.