Add on the ability to grant Lifelink to any of your creatures, and youve got a perfect combo enabler for Walking Ballista
Characters cannot be used on the turn they're played because, as the Lorcana rulebook says, "You need to wait for their ink to dry!" After waiting one turn, your now dry characters are free to challenge opposing characters in an attempt to deal enough damage to send them to the discard pile
I went over and took this picture recently: I saw them every time I got water
Tidus rewards you for doing this by letting you draw cards and proliferate (add more counters), while his partner Yuna helps get your creatures on the board with extra counters to start
Buying the Starter kit will get you all of these cards , including a number of other cards from the main Final Fantasy set
This is the main way you'll gain points, although other types of cards can have Lore-gaining effects, as well