You can use it to copy your Kediss trigger so if Ishai swings at someone for 5 damage, you can make your other opponents take 10 instead of just 5
Blue cards specialize in countering spells
The MTG team described playing the games themselves (especially if they hadnt played that particular entry), then creating three categories for the Final Fantasy elements, from the need to haves (category 1) to that would be nice, but we probably wont have room (category 3) and discussing with Square Enix even at this conceptual phase as well as consistently showing them specific cards and getting feedback

These serve primarily for two reasons: the first is to provide the cards to playtesters who engage in trial matches to determine whether the cards function effectively within the game mechanics or if adjustments are needed regarding attack power, the number of HP (hit points), and the strength of abilities the second reason is that test prints are conducted to assess the effectiveness of a new design when applied to the card, to ensure that the printers have been set up correctly, or to determine if a new holographic effect can be utilized Over the years, various test prints have surfaced on the market, and they are often rare cards with questionable origins
Immersive Cards are a new category of card that is exclusive to TCG Pocket