Zener Diode
663 Zener Diode-thumbnail
Quest Card Info
Card ID 663
Type Run
Background Horizontal Gradient
Aggressive No
▲ Deck Ominous Onyx
◄ Previous Woburn
Next ► Abe Froeman

Zener Diode may be placed on any Roaming Red Run card currently roaming and prevents the card from changing direction when the Roaming Red Run card encounters a Barrier.


  • The Zener Diode and Roaming Red Run cards will remain dormant on one side of the Barrier until the Barrier is either moved or eliminated from the game.
  • Zener Diode does not prevent a Roaming Red Run from being destroyed by a Neutronium Barrier.


  • Zener diode is a diode which allows current to flow in the forward direction in the same manner as an ideal diode, but also permits it to flow in the reverse direction when the voltage is above a certain value known as the breakdown voltage.

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