Avenging Aura
From Archon Arcana - The KeyForge Wiki
Avenging Aura • Sanctum • Action • Rare • For the remainder of the turn, each friendly creature gains assault X, where X is the number of forged keys your opponent has. • Artist: Brian Fajardo • Card Number: DT:074
Commentary
It appears as though there is a typo on Avenging Aura. It should read, "Play: For the remainder of the turn, each friendly creature gains assault X, where X is the number of forged keys your opponent has."