you can form one or two sets to make multiple sets in a game of 13 card rummy. it is important to note that a valid declaration cannot have more than two sets.

contract rummy with grandma shinn' s rules 1. two sets of three or more. 2. one set and one run 3. two runs. 4. three sets 5. two sets

your 13 cards have to be grouped into sequences and sets in order to win the game of rummy!.you must form valid rummy sets along with your pure