--水精鱗の深影隊
local s,id,o=GetID()
function s.initial_effect(c)
	--lv change
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.lvcost)
	e1:SetTarget(s.lvtg)
	e1:SetOperation(s.lvop)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.lvcfilter(c)
	return c:IsAbleToGraveAsCost() and c:IsDiscardable()
end
function s.lvcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.lvcfilter,tp,LOCATION_HAND,0,1,e:GetHandler()) end
	Duel.DiscardHand(tp,s.lvcfilter,1,1,REASON_COST+REASON_DISCARD)
end
function s.lvfilter(c)
	return c:IsAttribute(ATTRIBUTE_WATER) and c:IsFaceup() and c:IsLevelAbove(1) and not c:IsLevel(7)
end
function s.lvtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.lvfilter,tp,LOCATION_MZONE,0,1,nil) end
end
function s.lvop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local g=Duel.GetMatchingGroup(s.lvfilter,tp,LOCATION_MZONE,0,nil)
	for tc in aux.Next(g) do
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_CHANGE_LEVEL)
		e1:SetValue(7)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
	end
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsReason(REASON_COST) and re:IsActivated() and re:IsActiveType(TYPE_MONSTER)
		and re:GetHandler():IsAttribute(ATTRIBUTE_WATER)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(0x74,0x77) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and c:IsLevelBelow(4) and not c:IsCode(id)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
		if g:GetCount()>0 then
			Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
		end
	end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.splimit)
	e1:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function s.splimit(e,c)
	return not c:IsAttribute(ATTRIBUTE_WATER) and c:IsLocation(LOCATION_EXTRA)
end