It strikes a mix between skill & luck, offering challenges & fun to players of all skill levels. Knowing What Sets and Runs Mean. Three or mbuffalo slotsore consecutive cards of the same suit make up a run, whereas three or more sets of cards of the same rank are considered a grouping of cards. Play and tactic. Players alternately draw cards from the draw or discard piles, then toss a card from their hand onto the discard pile.