Here is the full list of all 11 Knights of the Card Table achievements.
You got a sword!
You got a shield!
Defeat (almost) half the levels
Unlock Norris' Chucks
Beat all the levels, get a staff
Use 1000 buffs during the Powe Hour mission
Use 1000 health cards during the Patch Adams mission
Embrace 100 explosives during the Owwwwwwch! mission
Defeat 50 Bosses during the Angela is the Boss mission
Activate 200 fireball cards during the Hot Mama mission
Activate 200 freezeball cards during the Ice, Ice, Baby mission