When you summon an Astral Dragon family Spirit, this Spirit card in your hand may be summoned as a Cost 4.
[LV1][LV2][LV3] (Start of Your Attack Step) Put as many core as you want from your Trash to this Spirit, except Soul Core. When you've put five or more core by this effect, destroy an opposing Spirit with 10000 BP or less.
[LV2][LV3] (When Attacks/Blocks) Destroy an opposing Spirit with equal or less BP than this Spirit.