One Level Design X Two Buttons X Something INCONGRUOUS!

Maybe it ticks all the boxes in Make-A-Level Jam.

Defeat more enemies with your limited hp!!

Card Duel Rules:

1. You can't see monster's card until duel time.
2. Big number win.
3. If you lose, you will be hurt by number gap, and then the enemy card will enter the shuffle pool.
4. If you win, your card will be replaced by an enemy card, and defeat him.
5. If there is a draw, you can shuffle from the shuffle pool, and enemy change next one.