--スノーマン・クリエイター
function c15893860.initial_effect(c)
	--counter
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(15893860,0))
	e1:SetCategory(CATEGORY_COUNTER+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(c15893860.target)
	e1:SetOperation(c15893860.operation)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	c:RegisterEffect(e2)
	local e3=e1:Clone()
	e3:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e3)
end
function c15893860.ctfilter(c)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_WATER)
end
function c15893860.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c15893860.ctfilter,tp,LOCATION_MZONE,0,1,nil)
		and Duel.IsExistingMatchingCard(Card.IsCanAddCounter,tp,0,LOCATION_MZONE,1,nil,0x1015,1) end
end
function c15893860.operation(e,tp,eg,ep,ev,re,r,rp)
	local ct=Duel.GetMatchingGroupCount(c15893860.ctfilter,tp,LOCATION_MZONE,0,nil)
	if ct==0 then return end
	local g=Duel.GetMatchingGroup(Card.IsCanAddCounter,tp,0,LOCATION_MZONE,nil,0x1015,1)
	if g:GetCount()==0 then return end
	for i=1,ct do
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_COUNTER)
		local tc=g:Select(tp,1,1,nil):GetFirst()
		tc:AddCounter(0x1015,1)
	end
	if ct>=3 and Duel.SelectYesNo(tp,aux.Stringid(15893860,2)) then
		Duel.BreakEffect()
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
		local dg=Duel.SelectMatchingCard(tp,aux.TRUE,tp,0,LOCATION_ONFIELD,1,1,nil)
		Duel.HintSelection(dg)
		Duel.Destroy(dg,REASON_EFFECT)
	end
end
