ty, will do!
the grayscale thing you noticed is not a glitch, it's actually used to show you who the enemy is going to attack when you mouse over them (everyone but the enemy's target will be grayscale, there's also a pulsing target icon too)
when picking a target for one of your cards, some cards can only target specific characters, so similarly in that case only the valid targets will be in color and everything else is grayscale - maybe I gotta find a better way to show this though 😅