TRIBUTE SUMMON: A cost 3 or more —> Trash After paying the traditional Summoning Core Cost, you must move all the Cores of a Spirit on your field that meets these aspects to the location specified in order to summon this Spirit. When This Spirit Attacks (Lv. 1-2): When this Spirit destroys an opposing Spirit based on Battle Point difference, move one Core from your opponent's Life to his/her Reserve. (Lv. 2): All Spirits on your Field with the "Blade Beast" Attribute gain +1000BP.