Silent Stilettos (UPR152) Rainbow Foil - Uprising

Whenever an attacking ally you control dies or an attack action card you control is destroyed by phantasm, you may pay [3 - Resource]. If you do, destroy Silent Stilettos and gain 1 action point.
Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay {r} to prevent 1 of that damage.)