Attribute X X X
  Cute Cool Passion
Rarity X X X X
  SSR SR R N
High stat X X X X
  Vocal Visual Dance Balanced
Skill Type 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
Skill Type X X X X X X X X X X
  Focus/Coord. L. Sparkle Encore T. Synergy Tuning Motif Symph. Alternate Refrain Magic
Skill Type X X X X X
  Mutual Overdrive T. Spike Dominant Present
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.)
Hayami Kanade
ミスティック・ドーン
3178 3858 5962
夜明けの素顔 Every 6 seconds, there is a 35..52.5% chance to increase Perfect note scores by 16%, and the combo bonus by 14% for 3..4.5 seconds. (All idols on your team must be Cool types.)
Hori Yuko
トリック☆ジョーカー
4123 3914 5172
サイキック・神出鬼没 Every 7 seconds, there is a 40..60% chance that 11 life will be consumed to increase Perfect/Great note scores by 20%, and prevent Nice/Bad notes from breaking the combo for 4..6 seconds.
Namiki Meiko
秋色のお出かけ
3149 4962 2572
旅気分 Every 5 seconds, there is a 40..60% chance to increase the combo bonus by 10%, and Perfect notes will restore 1 life for 2..3 seconds.
Okuyama Saori
ピュアリー・ロワイヤル
3816 3559 3507
純朴なやさしさ Every 14 seconds, there is a 35..52.5% chance that Perfect notes will restore 3 life for 5..7.5 seconds.