Yeah, that was the dumbest one of them all IMO. Invoke Prejudice kinda makes sense. I wonder if it will devalue or jump in value. It's already like a 200 dollar card...
Crusade and Jihad are inspired by awful times in history but I always thought it was neat that Magic had cards like that. Showing that white mana alignments isn't always good, they just think they are.
White and black don't have anything to do with race in Magic.