Do you want more chaos, Koe? Add in the 7-0 rule. 7 lets you pick any deck to switch, and 0 auto-switches decks with the person next to you. Naggz will hate this, a lot.
I always find it funny when people suddenly discover the rules to Uno. The fact that Jump in, Challenge, and the Declare Uno rule are actually the way Uno is supposed to be played.
Coe: Shalom! Me: U braha! שלום וברכה = peace and blessing As word by word translation, or just "greetings". It is common to split the sentence when greeting someone.
Regarding the title: we talking the ring of integers, or the field of real numbers? If it’s the latter, there are infinitely many numbers between 0 and 2.