- Note: For accurate card stats, see infobox to the right; the one below is for illustrative purposes only.
- See this subject on The Witcher wiki: Olgierd von Everec
- Gwent Update: Feb 9, 2018 Patch: Name change: Olgierd von Everec (was Olgierd).
- Gwent Update: Dec 19, 2017 Patch: Now Agile as every other Unit (was Melee).
- Gwent Update: Aug 29, 2017 Patch: Added Redania Tag.
- Gwent Update: July 5, 2017 Patch: Olgierd Power changed from 7 to 9. Olgierd's Power will now be reduced when entering the Graveyard rather than when returning to the Board. Olgierd's Power will now be reduced by half (rounding up) when entering the Graveyard.
- Gwent Update: May 24, 2017 Patch: Olgierd Power changed from 6 to 7. Added new Tag: "Cursed".
- Gwent Update: March 23, 2017 Patch: Fixed an issue whereby Lock wasn't visible in the graveyard and Olgierd and Roach would ignore the Lock.