By requiring two decks of cards & using jokers as wild cards, Indian Rummy, on the other hand, adds a more intricate layer. Prior to declaring tonline satta king sattaheir hand, players must form at least two sequences, one of which must be a pure sequence (i.e., without a joker). Special Guidelines & Techniques. Another common variation is canasta, which has its own set of rules about card values and melds & involves using seven cards to form melds.