[LV1][LV2][LV3] (Start Of Your Attack Step) Put every core (other than Soul Core) on your Trash onto this Spirit. Then, you can summon an "Emperor Beast" family Spirit/Brave card from your Hand.
[LV2][LV3] (When Attacks) Destroy three opposing Spirits/Ultimates with BP equal or inferior to this Spirit's. Also, until the next opposing End Step, the opponent can't summon Cost 5/7/9 Spirit cards.
Ruling:
Spirits can still be summoned by Burst effect after the [LV2][LV3] is used.