This is accomplished by paying an alternate cost, usually in ink, for less than it would cost to play the card normally
Scar Vengeful Lion allows you to draw a card every time one of your Characters challenges a damaged Character and Ward keeps him protected long enough to generate a lot of value
some cards scale based on how many Job Heroes you control
Some necessary backstory, and consider this your FF7 spoiler alert: After the burning of Nibelheim years before the primary events of the game, Zack and Cloud (along with Tifa) are gravely wounded in the confrontation with Sephiroth
With 204 cards, there's only so much flexibility to the meta, and Ive gotten tired of seeing the same decks week after week
At the beginning of your end step, if a creature died under an opponent's control this turn, create a Treasure token