A trade in 21 card game with 6, 7 and 8 cards.
Win by getting 21 1, 2, 3 or 4 times.
Or win by getting under 21 with 6, 7 or 8 cards cards.
Win even more by getting exactly 5, 6, 7 or 8 cards.
Stratagem 21 is a challenging game. Do you go low or go for a multi 21 win?