--created & coded by Lyris, art from Shadowverse's "Gun Collector"
--弾丸の波動拳
local s,id,o=GetID()
function s.initial_effect(c)
	c:RegisterSetCardString("Hadouken")
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCategory(CATEGORY_TOGRAVE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.cost)
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsAbleToDeckAsCost() end
	Duel.SendtoDeck(c,nil,SEQ_DECKTOP,REASON_COST)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local ct=3
	if Duel.IsPlayerAffectedByEffect(tp,102400030) then ct=ct*2 end
	if chk==0 then return Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)>=ct
		and Duel.IsExistingMatchingCard(Card.IsSetCard,tp,LOCATION_DECK,0,1,nil,"Hadouken") end
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local ct=3
	if Duel.IsPlayerAffectedByEffect(tp,102400030) then ct=ct*2 end
	if Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)<ct then return end
	local g=Group.CreateGroup()
	for i=0,ct-1 do
		local tc=Duel.GetFieldCard(tp,LOCATION_DECK,i)
		if ct<6 then for p=0,1 do Duel.ConfirmCards(p,tc,true) end end
		g:AddCard(tc)
	end
	if ct>5 then for p=0,1 do Duel.ConfirmCards(p,g,true) end end
	local d=g:FilterCount(Card.IsSetCard,nil,"Hadouken")
	for i=1,ct do Duel.MoveSequence(Duel.GetFieldCard(tp,LOCATION_DECK,0),SEQ_DECKTOP) end
	local dg=Duel.GetFieldGroup(tp,0,LOCATION_ONFIELD)
	if d>0 and #dg>0 and Duel.SelectEffectYesNo(tp,e:GetHandler()) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
		local sg=dg:Select(tp,1,math.min(2,d),nil)
		Duel.HintSelection(sg)
		Duel.BreakEffect()
		Duel.SendtoGrave(sg,REASON_EFFECT)
	end
end