: Battle Spirits TCG
: Great Clash of Heroes
[LV1][LV2][LV3] Both players' decks cannot be forced to discard cards. [LV1][LV2][LV3] (During Each Main Step) Whenever Cores are added from the Void due to a Spirit's effect, return said additional Cores back to the Void. Also, return all the Cores of the Spirit(s) who activated the Core Boost effect to the Void.