Learn only when you need it.

1. Draw one card from the closed or open deck.
2. Arrange cards into valid sequences and sets.
3. Discard one card and declare after forming a pure sequence.

Three or more consecutive cards of the same suit formed without a Joker. At least one pure sequence is required for a valid declaration.

Use Jokers to complete difficult impure sequences or sets, and protect natural cards that can form your required pure sequence.