1. Matching in coliseum requires Challenge Coupons how many?
2. Opponents are matched based on previous number of wins
3. In coliseum, cards levels are set as follows;
a) White: Level 9
b) Blue: Level 7
c) Purple: Level 5
d) Orange: Level 1
4. Win 7 or lose 2 matches and your coliseum journey ends. Use more Challenge Coupons to start again.