toss Engraver script in

script/c50078320.lua

+--刻印の調停者
+function c50078320.initial_effect(c)
+	--Announce
+	local e1=Effect.CreateEffect(c)
+	e1:SetType(EFFECT_TYPE_QUICK_O)
+	e1:SetCode(EVENT_CHAINING)
+	e1:SetRange(LOCATION_HAND)
+	e1:SetCondition(c50078320.condition)
+	e1:SetCost(c50078320.cost)
+	e1:SetOperation(c50078320.operation)
+	c:RegisterEffect(e1)
+	--destroy
+	local e2=Effect.CreateEffect(c)
+	e2:SetDescription(aux.Stringid(50078320,0))
+	e2:SetCategory(CATEGORY_DESTROY)
+	e2:SetType(EFFECT_TYPE_QUICK_O)
+	e2:SetCode(EVENT_FREE_CHAIN)
+	e2:SetRange(LOCATION_MZONE)
+	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
+	e2:SetCountLimit(1)
+	e2:SetTarget(c50078320.regtg)
+	e2:SetOperation(c50078320.regop)
+	c:RegisterEffect(e2)
+end
+
+function c50078320.GetAnnounceFilter(ep,ev,re)
+	local code=Duel.GetChainInfo(ev,CHAININFO_TARGET_PARAM)
+	local announce_filter=re:GetHandler().announce_filter
+	if not announce_filter then
+		-- announce_filter not specified
+		return {code,OPCODE_ISCODE,OPCODE_NOT}
+	end
+	local function AddNotCodeCondition(t)
+		-- ... and not c:IsCode(code)
+		local afilter={table.unpack(t)}
+		table.insert(afilter,code)
+		table.insert(afilter,OPCODE_ISCODE)
+		table.insert(afilter,OPCODE_NOT)
+		table.insert(afilter,OPCODE_AND)
+		return afilter
+	end
+	if aux.GetValueType(announce_filter)=="function" then
+		-- function form
+		local res=announce_filter(re,ep,ev)
+		if res==true then
+			-- allow any except announced code
+			return {code,OPCODE_ISCODE,OPCODE_NOT}
+		elseif not res then
+			-- cannot be reannounced
+			return false
+		else
+			-- returns a table, so we wrap it
+			return AddNotCodeCondition(res)
+		end
+	else
+		-- table form
+		return AddNotCodeCondition(announce_filter)
+	end
+end
+
+function c50078320.condition(e,tp,eg,ep,ev,re,r,rp)
+	local ex=Duel.GetOperationInfo(ev,CATEGORY_ANNOUNCE)
+	return rp==1-tp and ex and c50078320.GetAnnounceFilter(ep,ev,re)~=false
+end
+function c50078320.cost(e,tp,eg,ep,ev,re,r,rp,chk)
+	if chk==0 then return e:GetHandler():IsAbleToGraveAsCost() end
+	Duel.SendtoGrave(e:GetHandler(),REASON_COST)
+end
+function c50078320.operation(e,tp,eg,ep,ev,re,r,rp)
+	local afilter=c50078320.GetAnnounceFilter(ep,ev,re)
+	if afilter==false then return end
+	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CODE)
+	local ac=Duel.AnnounceCard(tp,table.unpack(afilter))
+	Duel.ChangeTargetParam(ev,ac)
+end
+function c50078320.desfilter(c)
+	return c:IsFaceup()
+end
+function c50078320.regtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
+	if chkc then return chkc:IsOnField() and c50078320.desfilter(chkc) end
+	if chk==0 then return Duel.IsExistingTarget(c50078320.desfilter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil) end
+	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
+	Duel.SelectTarget(tp,c50078320.desfilter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,nil)
+end
+function c50078320.regop(e,tp,eg,ep,ev,re,r,rp)
+	local tc=Duel.GetFirstTarget()
+	if tc:IsRelateToEffect(e) then
+		tc:RegisterFlagEffect(50078320,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END,0,2)
+		local e1=Effect.CreateEffect(e:GetHandler())
+		e1:SetDescription(aux.Stringid(50078320,1))
+		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
+		e1:SetCode(EVENT_PHASE+PHASE_END)
+		e1:SetCountLimit(1)
+		e1:SetLabel(Duel.GetTurnCount())
+		e1:SetLabelObject(tc)
+		e1:SetCondition(c50078320.descon)
+		e1:SetOperation(c50078320.desop)
+		e1:SetReset(RESET_PHASE+PHASE_END,2)
+		Duel.RegisterEffect(e1,tp)
+	end
+end
+function c50078320.descon(e,tp,eg,ep,ev,re,r,rp)
+	local tc=e:GetLabelObject()
+	return Duel.GetTurnCount()~=e:GetLabel() and tc:GetFlagEffect(50078320)~=0
+end
+function c50078320.desop(e,tp,eg,ep,ev,re,r,rp)
+	local tc=e:GetLabelObject()
+	Duel.Hint(HINT_CARD,0,50078320)
+	Duel.Destroy(tc,REASON_EFFECT)
+end