The cards that consume less than 100 fire are low-level cards

The cards that consume 100-199 fire are mid-level cards

The cards that consume 20 fire or use the fire-consuming band + number are Advanced Card

0-1: A 0-star poor card

1-2: A 0-star medium card

2-3: A 1-star card Mid-star card + 0-star poor card

3-4: Two 2-star mid-cards + 1 grass

4-5: Two 3-star good cards + one 2-star card Good card + 2 grass

5-6: Two 4-star good cards + one 5-star medium card + 2 grass

6-7: Three 5-star good cards+ 3 grass

7-8: Two 6-star good cards + one 5-star good card + 3 grass

7-8 I have tried it myself and never failed