--クリスタル・シャーク
--Crystal Shark
--Scripted by Nellag
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon itself
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetRange(LOCATION_HAND|LOCATION_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Can be treated as Level 3 or 4 for a "Number" Xyz
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_XYZ_LEVEL)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetValue(s.xyzlv)
	c:RegisterEffect(e2)
end
--Lists "Number" cards
s.listed_series={SET_NUMBER}
function s.cfilter(c)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_WATER)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and s.cfilter(chkc) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP)
		and Duel.IsExistingTarget(s.cfilter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATKDEF)
	Duel.SelectTarget(tp,s.cfilter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	--Cannot Special Summon from the Extra Deck, except Xyz Monsters
	local e0=Effect.CreateEffect(c)
	e0:SetDescription(aux.Stringid(id,1))
	e0:SetType(EFFECT_TYPE_FIELD)
	e0:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_CLIENT_HINT)
	e0:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e0:SetTargetRange(1,0)
	e0:SetTarget(s.splimit)
	e0:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e0,tp)
	--Clock Lizard check
	aux.addTempLizardCheck(c,tp,s.lizfilter)
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)>0 then
		--Banish this card if it leaves the field.
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(3300)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
		e1:SetValue(LOCATION_REMOVED)
		e1:SetReset(RESET_EVENT|RESETS_REDIRECT)
		c:RegisterEffect(e1,true)
		local tc=Duel.GetFirstTarget()
		if not (tc:IsRelateToEffect(e) and tc:IsFaceup()) then return end
		--Halve the targeted card's ATK.
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_SET_ATTACK_FINAL)
		e2:SetReset(RESET_EVENT|RESETS_STANDARD)
		e2:SetValue(tc:GetAttack()/2)
		tc:RegisterEffect(e2)
	end
end
function s.splimit(e,c,sump,sumtype,sumpos,targetp,se)
	return not c:IsType(TYPE_XYZ) and c:IsLocation(LOCATION_EXTRA)
end
function s.lizfilter(e,c)
	return not c:IsOriginalType(TYPE_XYZ)
end
function s.xyzlv(e,c,rc)
	if rc:IsSetCard(SET_NUMBER) then
		return 4,3,e:GetHandler():GetLevel()
	else
		return e:GetHandler():GetLevel()
	end
end