一番の宝物 ユイ

AUTO - When this is placed on stage from hand, you may Heal 1.

AUTO - {CX Combo} [(2) Discard 1 card] When this attacks, if you have "A Girl's Ultimate Happiness - AB/W31-E054" in your CX Area, and you have 2 or more other <Music> characters, you may pay cost. If you do, deal 1 damage to your opponent, mill 1, then deal X damage to your opponent. X equals the Level of the milled card +1.

Note: CX is an AB exclusive and thus likely to get reprinted to make it available to the rest of Key decks. Combos with 3/2 Yui - AB/W31-028.