[LV I] [LV II] [LV III] During Either Attack Step
At the start of the step, you may exhaust one of your nexuses to treat this spirit as LV3 during this turn.
[LV III] When This Spirit Attacks
Select one of your opponent's spirits that costs 3 or fewer and destroy it. If you destroy a spirit with this effect, discard the top three cards of your opponent's deck.