Gold Key Imp
From Archon Arcana - The KeyForge Wiki
Players cannot forge their third key. • Artist: Rodrigo Camilo • Card Number: AoA (072)
Commentary
If an ability saying keys cannot be forged is active, then keys cannot be forged, even if a player is outside the "Forge a key" step of the Timing Chart.
Source: Cannot vs Must
Related Cards
Other variants of this card are (multiple Key Imps can appear in a deck):