--created by Seth, coded by Lyris
--Great London Clue - Footprints
local s,id,o=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetRange(LOCATION_SZONE)
	e2:SetTargetRange(LOCATION_MZONE,0)
	e2:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,0xd3f))
	e2:SetValue(s.val)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e3)
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_IGNITION)
	e4:SetRange(LOCATION_SZONE)
	e4:HOPT()
	e4:SetCategory(CATEGORY_TODECK+CATEGORY_SEARCH+CATEGORY_TOHAND)
	e4:SetTarget(s.thtg)
	e4:SetOperation(s.thop)
	c:RegisterEffect(e4)
	c:SetUniqueOnField(1,0,id)
end
function s.filter(c)
	return c:IsFaceup() and c:IsSetCard(0x1d3f)
end
function s.val(e,c)
	return 300*Duel.GetMatchingGroupCount(s.filter,e:GetHandlerPlayer(),LOCATION_ONFIELD,0,nil)
end
function s.dfilter(c,tp)
	return c:IsSetCard(0xd3f) and c:IsAbleToDeck()
		and Duel.IsExistingMatchingCard(s.sfilter,tp,LOCATION_DECK,0,1,nil,c:GetType()&0xf)
end
function s.sfilter(c,typ)
	return c:IsSetCard(0xd3f) and not c:IsType(typ) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.dfilter,tp,LOCATION_HAND,0,1,nil,tp) end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,nil,1,tp,LOCATION_HAND)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectMatchingCard(tp,s.dfilter,tp,LOCATION_HAND,0,1,1,nil,tp)
	Duel.ConfirmCards(1-tp,g)
	local tc=g:GetFirst()
	if #g<1 or Duel.SendtoDeck(g,nil,SEQ_DECKSHUFFLE,REASON_EFFECT)<1
		or not tc:IsLocation(LOCATION_DECK) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local sg=Duel.SelectMatchingCard(tp,s.sfilter,tp,LOCATION_DECK,0,1,1,nil,tc:GetType()&0xf)
	if #sg<1 then return end
	Duel.BreakEffect()
	Duel.SendtoHand(sg,nil,REASON_EFFECT)
	Duel.ConfirmCards(1-tp,sg)
end