The guy above said he thought points worked on how many kills you had and not by rank on them. Yes, Bungie intended it to work that way, all you do to get that card for the event is play and I believe win one (considering I have them all besides ToO since I never got into ToO yet). Nonetheless this is how it's always been and the events that used to give just one card used to be more temporary and not something people could play ALL the time, which is probably another reason why they made it like that. But those cards probably give you 10 or 15 grimoire for just playing one, so what exactly are you complaining about?