Tribute: Cost 6 or more → Void - After paying for the summoning cost, you must send all core from one of your Cost 6 or more spirits to the Void.
[LV1][LV2][LV3] (When Summoned) Exhaust all opposing Spirits. When "The IronKnight Yggdrasill" was the "Tribute", add six core from the Void to this spirit.
[LV3] (When Battles) Refresh three of your Cost 8 or less Spirits.