I'd say it's a lot more luck-based than a 1, I'd definitely rate it at 3 or 4. As for strategy, there's definitely more than regular rock paper Scissors, but I'd say no more than 3 for sure.
I think there's some extra strategy of guessing what other will do, especially if playing with 5 or 4 players. All or most of the cards will be in the game so luck becomes less dominant
Yes so maybe luck to 3.
Because you can't know what the opponents will play.
But ofcourse if you can read the opponents like in Poker then you will win.
Basicly the comparison with poker is good I would say.