When fielded, choose an opposing character replacing all previous choices.
While Poison Ivy is active, when that character die attacks field a 0A and 2D Plant Token. While Poison Ivy is active, if a Plant Token is KO'd, target player loses 1 life.
When she chooses an opposing character, can she choose a specific token? For example, could she choose Sentinel token? Also, does the character need to be active at the time of choosing?