Thanks for bearing with me through the downtime and/or late updates. The core issue behind both has (hopefully) been resolved, so things should be stable now.
Card Rarity X X X X
  SSR SR R N
High stat X X X X
  Vocal Visual Dance Balanced
Idol Attribute X X X
  Cute Cool Passion
Skill Type X X X X X X X X X X X X X X
  Perf. Lock* C. Guard Combo Bonus Score Bonus Healer H. Guard Overload All-Round Concen. Skill Boost Focus/Coord. L. Sparkle Encore T. Synergy
Awakened?   X
  Yes No

(Short link)

Click on an underlined table header to sort the table by that value. Do note that you should apply filters before using the skill-based sorts, as you can't really compare skill effects.
Card VoViDa Skill Effect (sort: time window, % chance, duration, effect val.)
Kita Hinako
お菓子なドリーミング
3888 5905 3224
ふりーだむ夢想曲 Every 5 seconds: there is a 40..60% chance that you will gain an extra 13% combo bonus, and Perfect notes will restore 1 health for 2..3 seconds.
Oota Yu
ラブリーマイベイビー
4878 2639 3191
モフなでボイス Every 9 seconds: there is a 35..52.5% chance that Perfect notes will receive a 15% score bonus for 5..7.5 seconds.