[He began to shuffle the cards without looking at them. Instead he studied her face and grinned.]

Simple: We each have half a deck. We put down one card at a time. Higher card takes both. Goal's to have the whole deck in your hand at the end.

If we have the same number, we go to war. Three cards face-down makes up the ante, and our fourth card is our battler. Whoever's fourth card is higher takes that battle and every card in it.

Questions?