I've got some ideas!
Black Cards...
- "If you say that again I shall get angry. Then you shall see _____."
- "Turin faced tragedy yet again when he encountered _____."
- "After Beren and Luthien stole a Silmaril, Morgoth replaced it in his crown with ____."
- "Short cuts make delays but inns make _________ !"
- "Tolkien actually based ____ on ____."
- "Christopher Tolkien always lived in the shadow of his father's ____."
White Cards...
- Gandalf the Gray uncloaked!
- Sauron, ironically, wetting himself as Numenor sinks.
- Fat Hobbits!
- A large patch in the hollow of your left breast as bare as a snail out of its shell.
- One of those other Inklings nobody's ever heard of.
- Charles Williams letting everyone know that he wrote a book, too!
- Blowing the Horn of Gondor.