When this Set Burst is discarded by the opponent, you can activate it ignoring the Burst condition.
☼[ Burst: After The Opposing Hand Increases due to Opposing Effects]
For each two cards on the opposing Hand, destroy one Cost 8 or less Spirit. After that effect resolves, summon this card without paying the cost.
[LV4][LV5] (Your End Step) Refresh all your "Sandsea"-named Spirits/Ultimates.