Normally, you'll be able to cast them only during your main phase while the stack is empty
In contrast though there are 'value cards' (usually MV 4-6), these aren't necessarily going to win the game by themselves but these are important in metas that don't expect anyone to win too early
With practice, this whole process takes about three seconds per card
Each finger points with purpose, revealing the thrill of the game
Unfortunately, those cards fall into Cool, but Inefficient: sure, its a neat Easter Egg, but keep in mind that not only the cards themselves are rather underwhelming when compare to the cards you get in regular packs, but this particular packs are dozens of times more expensive than regular packs Level-Up at Intimacy 5: Once you finish a partner's 2nd heart storyline, you can start editing their Deck to tailor their strategy to your Deck's