Achilles Accelerator [U-ARC005] (Arcane Rising Unlimited) Unlimited Rainbow Foil

Instant - Destroy Achilles Accelerator: Gain 1 action point. Activate this ability only if you have boosted this turn. Arcane Barrier 1 (If your hero would be dealt arcane damage, you may pay [1 Resource] instead. If you do, prevent 1 arcane damage that source would deal.)