[LV1][LV2][LV3] Showdown (Your Opponent's Start Step) Your opponent chooses 1 of their Spirits and compares BP with this Spirit. Destroy the Spirit(s) with equal or lower BP. When only the opposing Spirit was destroyed by this effect, you may activate the following effect:
▪During this turn, your opponent cannot summon cost 4 or less Spirits/Ultimates/Braves