--水精鱗－ネレイアビス
function c71133680.initial_effect(c)
	--atk/def
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(71133680,0))
	e1:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_DEFCHANGE+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetRange(LOCATION_HAND)
	e1:SetHintTiming(TIMING_DAMAGE_STEP)
	e1:SetCountLimit(1,71133680)
	e1:SetCondition(c71133680.atkcon)
	e1:SetCost(c71133680.atkcost)
	e1:SetTarget(c71133680.atktg)
	e1:SetOperation(c71133680.atkop)
	c:RegisterEffect(e1)
	--draw
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_DRAW+CATEGORY_HANDES)
	e2:SetDescription(aux.Stringid(71133680,1))
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCountLimit(1,71133681)
	e2:SetCondition(c71133680.drcon)
	e2:SetTarget(c71133680.drtg)
	e2:SetOperation(c71133680.drop)
	c:RegisterEffect(e2)
end
function c71133680.atkcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetCurrentPhase()~=PHASE_DAMAGE or not Duel.IsDamageCalculated()
end
function c71133680.atkcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsDiscardable() end
	Duel.SendtoGrave(e:GetHandler(),REASON_COST+REASON_DISCARD)
end
function c71133680.atkfilter(c,e,tp)
	return c:IsFaceup() and c:IsAttribute(ATTRIBUTE_WATER)
		and Duel.IsExistingMatchingCard(c71133680.desfilter,tp,LOCATION_MZONE+LOCATION_HAND,0,1,Group.FromCards(c,e:GetHandler()))
end
function c71133680.desfilter(c)
	return c:IsAttribute(ATTRIBUTE_WATER) and (c:GetBaseAttack()>0 or c:GetBaseDefense()>0)
end
function c71133680.atktg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and c71133680.atkfilter(chkc,e,tp) end
	if chk==0 then return Duel.IsExistingTarget(c71133680.atkfilter,tp,LOCATION_MZONE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,c71133680.atkfilter,tp,LOCATION_MZONE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,nil,1,tp,LOCATION_MZONE+LOCATION_HAND)
end
function c71133680.atkop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local dc=Duel.SelectMatchingCard(tp,c71133680.desfilter,tp,LOCATION_MZONE+LOCATION_HAND,0,1,1,tc):GetFirst()
	if dc and Duel.Destroy(dc,REASON_EFFECT)~=0 then
		if tc:IsFacedown() or not tc:IsRelateToEffect(e) then return end
		local atk=dc:GetBaseAttack()
		local def=dc:GetBaseDefense()
		if atk<0 then atk=0 end
		if def<0 then def=0 end
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(atk)
		e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
		local e2=e1:Clone()
		e2:SetCode(EFFECT_UPDATE_DEFENSE)
		e2:SetValue(def)
		tc:RegisterEffect(e2)
	end
end
function c71133680.drcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function c71133680.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) end
	Duel.SetOperationInfo(0,CATEGORY_HANDES,nil,0,tp,1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function c71133680.drop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.Draw(tp,1,REASON_EFFECT)~=0 then
		Duel.BreakEffect()
		Duel.DiscardHand(tp,nil,1,1,REASON_EFFECT+REASON_DISCARD)
	end
end
