The OP's idea is genious. The cards should be normal playing cards, with each containing a quote or a small policy fun fact. There's not much space on each card, and it needs to look classy and be easy to play with. Facts should be uncontroversial, and pretty standard conservative message to maximise the number of people who will like the message.
Now, who plays with cards the most? The elderly.
Send them out to elderly people in Iowa that participated in previous caucuses. Sure, some will throw them away immediatly, but the others will gradually like Rand more and more as they play. Having fun AND learning about Rand at the same time! Should do wonders for him in reaching those voters.
If one makes a huge order, I think one can get each deck of cards really cheap. It makes sense to send something that is more valuable than the shipping costs itself when you are going to send something in the first place. If the campaign doesn't do it, some supporters can set up production. Sell single decks with high profit, and sell bulk orders cheaply. Use the profits to send targeted decks to likely, elderly Iowa-voters.
