NOVA Trading Card Game

NOVA (means Narrative of visual actual) is a Japanese Trading Card Game. In this game, two players construct their own 40-to-60-card main deck and a 10-card character deck to fight with each other, the player who makes the opponent's life point from 2000 to 0 will win the game.
A special point of this game is the character deck. Each player can choose a character from this deck to play once per turn, and the level of character to choose will decided by player's life point, when a player's life point reduce to 1500 then he/she can use lv.2 character and when a player's life point reduce to 1000 then he/she can use lv.3 character.