[LV1-LV2-LV3] When This Spirit Attacks

You may exhaust one of your spirits or nexuses to discard a number of cards from the top of your opponent's deck equal to the cost of that exhausted card. When a magic card is discarded by this effect, refresh this spirit.

[LV2-LV3] During Opponent's Attack Step

At the start of the step, if your opponent has 15tor more cards in their trash, you may summon a Golem spirit card from your hand without paying its cost.