When this set card is discarded by opponent, it can be activated ignoring the Burst condition.
[ Burst: After Your Opponent activates a Spirit's (When Summoned/Advents) effect]
Return one opposing Spirit/Ultimate to the bottom of the deck. After this effect resolves, summon this card without paying the cost. Alternatively, by paying 2 costs, set this card as a Burst.
[LV2][LV3] (Either Attack Step) When your Spirit in the family Machine Beast other than this Spirit is exhausted, this Spirit refreshes.