--Destruction Driven Barrel Dragon
--scripted by Rawstone
local s,id=GetID()
function s.initial_effect(c)
	--synchro summon
	aux.AddSynchroProcedure(c,aux.FilterBoolFunction(Card.IsAttribute,ATTRIBUTE_DARK),aux.NonTuner(Card.IsRace,RACE_MACHINE),1)
	c:EnableReviveLimit()
	--Destroy & Coin Flip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_COIN+CATEGORY_REMOVE)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTarget(s.trg)
	e1:SetOperation(s.cop)
	c:RegisterEffect(e1)
	 --recover coin flip
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCountLimit(1,id+500)
	e2:SetCondition(s.drcon)
	e2:SetTarget(s.drtg)
	e2:SetOperation(s.drop)
	c:RegisterEffect(e2)
end
c40006.toss_coin=true   
	function s.trg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetMatchingGroup(nil,tp,LOCATION_ONFIELD,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_COIN,nil,0,tp,3)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,nil,0,tp,1)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,nil,1,1-tp,LOCATION_GRAVE)
end
	function s.cop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(nil,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,0,1,nil)
	if g:GetCount()==0 then return end
	local c1,c2,c3=Duel.TossCoin(tp,3)
	local ct=c1+c2+c3
	if ct==0 then return end
	if ct>g:GetCount() then ct=g:GetCount() end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local dg=g:Select(tp,1,ct,nil)
	Duel.HintSelection(dg)
	Duel.Destroy(dg,REASON_EFFECT)
		if c1+c2+c3==3 then
		if Duel.GetMatchingGroupCount(Card.IsAbleToRemove,tp,0,LOCATION_GRAVE,0,1-tp,nil)<=0 then return end
			if Duel.SelectYesNo(tp,aux.Stringid(40006,1)) then
			Duel.BreakEffect()
			local cg=Duel.SelectMatchingCard(tp,Card.IsAbleToRemove,tp,0,LOCATION_GRAVE,0,1-tp,nil)
				if cg:IsExists(Card.IsAbleToRemove,1,1-tp) then
				Duel.Remove(cg,POS_FACEDOWN,REASON_EFFECT)
			end
		end
	end
end 
	function s.drcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:IsPreviousLocation(LOCATION_MZONE) and c:IsSummonType(SUMMON_TYPE_SYNCHRO)
end
	function s.filter(c)
	return c.toss_coin and c:IsAbleToHand() and c:IsLevelBelow(7) and not c:IsCode(40006)
end
	function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,g:GetCount(),0,0)
end
	function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end