Boost the Highest Bronze or Silver unit in your deck by 2, then play it.
- See this subject on The Witcher wiki: Alzur's Double Cross
- Gwent Update: Aug 29, 2017 Patch: Added Spell tag.
- Gwent Update: July 5, 2017 Patch: Alzur's Double–Cross will boost instead of strengthening.
- Gwent Update: May 24, 2017 Patch: Alzur's Double–Cross will strengthen instead of boosting. Strengthen value changed from 3 to 2.
- Gwent Update: Feb 6, 2017 Patch: Alzur's Double–Cross will apply a 3 strength boost to the played card.
- Gwent Update: Dec 19, 2016 Patch: Added.