[LV1][LV2][LV3] (When Battles) You can use one magic card without paying the Cost. After the effect of a Magic resolves, you can activate the same effect once more.
[LV2][LV3] Holy Life (When Attacks) When the opponent's life is decreased by this Spirit's Attack, put one core from the Void to your Life.
☼[ Burst: After your Spirit is destroyed/depleted by the opponent ] During this turn, give one opposing Spirit/Ultimate -5000 BP. Additionally, this effect can be used once more. Spirits/Ultimates which had their BP brought to zero by this effect are destroyed. Afterwards, summon this Spirit card.
[LV3] (When Attacks/Blocks) During Flash Timing, you can use one Accel from your hand without paying the cost. After the Accel effect resolves, you can use the same effect once more.
With the seven keys, the gate is unlocked... I finally understood its meaning. -from the 13th paragraph in chapter Yellow of "Record of the Strange World" by Wanderer Lolo"-