--Skyburner Mustang
--Commissioned by: Leon Duvall
--Scripted by: Remnance
--Bugfixing by: XGlitchy30
local cid,id=GetID()
function cid.initial_effect(c)
	--draw
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCondition(cid.drcon)
	e1:SetCost(cid.drcost)
	e1:SetTarget(cid.drtg)
	e1:SetOperation(cid.drop)
	c:RegisterEffect(e1)
	--special/draw
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DRAW+CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_SUMMON_SUCCESS)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e2:SetCountLimit(1,id+100)
	e2:SetCondition(cid.condition)
	e2:SetCost(cid.cost)
	e2:SetTarget(cid.target)
	e2:SetOperation(cid.operation)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e3)
	local e4=e2:Clone()
	e4:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e4)
end
--filters
function cid.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(0xf41)
end
function cid.spfilter(c,e,tp)
	return c:IsSetCard(0xf41) and c:IsType(TYPE_MONSTER) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
--draw
function cid.drcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(cid.cfilter,tp,LOCATION_ONFIELD,0,1,e:GetHandler())
end
function cid.drcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsReleasable() end
	Duel.Release(e:GetHandler(),REASON_COST)
end
function cid.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,2) end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(2)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,2)
end
function cid.drop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Draw(p,d,REASON_EFFECT)
end
--special/draw
function cid.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetTurnPlayer()~=tp
end
function cid.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,e:GetHandler()) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST+REASON_DISCARD)
end
function cid.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) end
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function cid.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.Draw(tp,1,REASON_EFFECT)==0 then return end
	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and Duel.IsExistingMatchingCard(cid.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) and Duel.SelectYesNo(tp,aux.Stringid(id,2)) then
		Duel.BreakEffect()
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tc=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(cid.spfilter),tp,LOCATION_GRAVE,0,1,1,nil,e,tp):GetFirst()
		if tc then
			Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
			local fid=e:GetHandler():GetFieldID()
			tc:RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD,0,1,fid)
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
			e1:SetCode(EVENT_PHASE+PHASE_END)
			e1:SetCountLimit(1)
			e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
			e1:SetLabel(fid)
			e1:SetLabelObject(tc)
			e1:SetCondition(cid.rtcon)
			e1:SetOperation(cid.rtop)
			Duel.RegisterEffect(e1,tp)
		end
	end
end
function cid.rtcon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	if tc:GetFlagEffectLabel(id)~=e:GetLabel() or not tc:IsAbleToHand() then
		e:Reset()
		return false
	else return true end
end
function cid.rtop(e,tp,eg,ep,ev,re,r,rp)
	Duel.SendtoHand(e:GetLabelObject(),nil,REASON_EFFECT)
end