"Flash - Advent: ""Makai"" (Either Attack Step) By sending your Soul Core to the Trash, stack this from your hand onto your target spirit.
[LV1][LV2] (When Summoned/Advents) Send 1 core from every opposing Spirit with cost 3 or less to their reserve.
[During Advent][LV2] (During Your Attack Step) When your Spirit containing the name: [Makai] attacks, send 1 core from an opposing Spirit to their reserve."