[LV1][LV2][LV3] (Each Player's Attack Step)
For each Purple Spirit you control, this spirit gets +1000BP.
[LV2][LV3] (Your Attack Step)
When the effect of a Spirit you control brings the core of an opposing Spirit to 0, draw 1 card from your Deck.
It is said that the white snake brings joy with it, but I find it hard to believe. In the midst of these events, I can't think that there are factors of happiness.