--墓荒らし
--Graverobber
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:IsSpell() and c:IsAbleToHand()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(1-tp) and chkc:IsLocation(LOCATION_GRAVE) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,0,LOCATION_GRAVE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,s.filter,tp,0,LOCATION_GRAVE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,tp,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,tc)
		tc:RegisterFlagEffect(id,RESET_EVENT|RESET_TOGRAVE|RESET_REMOVE|RESET_TEMP_REMOVE|RESET_TODECK|RESET_PHASE|PHASE_END,0,1)
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
		e1:SetCode(EVENT_PHASE+PHASE_END)
		e1:SetCountLimit(1)
		e1:SetCondition(s.tgcon)
		e1:SetOperation(s.tgop)
		e1:SetLabelObject(tc)
		e1:SetReset(RESET_EVENT|RESET_TOGRAVE|RESET_REMOVE|RESET_TEMP_REMOVE|RESET_TODECK|RESET_PHASE|PHASE_END)
		Duel.RegisterEffect(e1,tp)
		local e3=Effect.CreateEffect(e:GetHandler())
		e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e3:SetCode(EVENT_CHAINING)
		e3:SetCondition(s.actcon)
		e3:SetOperation(s.actop)
		e3:SetLabelObject(tc)
		e3:SetReset(RESET_PHASE|PHASE_END)
		Duel.RegisterEffect(e3,tp)
		local e4=Effect.CreateEffect(e:GetHandler())
		e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e4:SetCode(EVENT_CHAIN_SOLVED)
		e4:SetCondition(s.damcon)
		e4:SetOperation(s.damop)
		e4:SetLabelObject(tc)
		e4:SetReset(RESET_PHASE|PHASE_END)
		Duel.RegisterEffect(e4,tp)
	end
end
function s.tgcon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	return tc:GetControler()~=tc:GetOwner() and tc:GetFlagEffect(id)~=0
end
function s.tgop(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	Duel.SendtoGrave(tc,REASON_EFFECT)
end
function s.actcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==tp and re:GetHandler()==e:GetLabelObject() and re:GetHandler():GetFlagEffect(id)~=0
end
function s.actop(e,tp,eg,ep,ev,re,r,rp)
	re:GetHandler():RegisterFlagEffect(id+1,RESET_CHAIN,0,1)
	e:Reset()
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==tp and re:GetHandler()==e:GetLabelObject() and re:GetHandler():GetFlagEffect(id+1)~=0
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	re:GetHandler():ResetFlagEffect(id+1)
	Duel.Damage(tp,2000,REASON_EFFECT)
	e:Reset()
end