--created by LeonDuvall, coded by Lyris
--Exodice Fishe
local s,id,o=GetID()
function s.initial_effect(c)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_LEAVE_FIELD)
	e2:SetCategory(CATEGORY_DAMAGE+CATEGORY_SPECIAL_SUMMON)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:HOPT()
	e1:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND+CATEGORY_DECKDES)
	e1:SetCondition(s.thcon)
	e1:SetCost(s.thcost)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==1-tp
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,100)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.sfilter(c,e,tp)
	return c:IsSetCard(0xd18) and c:IsCanBeSpecialSummoned(e,0,tp,false,false) and not c:IsCode(id)
end
function s.spop(e,tp)
	if Duel.Damage(1-tp,100,REASON_EFFECT)<1 or Duel.GetLocationCount(tp,LOCATION_MZONE)<1 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	Duel.SpecialSummon(Duel.SelectMatchingCard(tp,s.sfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp),0,tp,tp,false,false,POS_FACEUP)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSummonLocation(LOCATION_DECK+LOCATION_REMOVED)
end
function s.cfilter(c)
	return c:IsRace(RACE_FISH) and c:IsAbleToRemoveAsCost()
end
function s.thcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	Duel.Remove(Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_GRAVE,0,1,1,nil),POS_FACEUP,REASON_COST)
end
function s.filter(c)
	return c:IsRace(RACE_FISH) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDiscardDeck(tp,3)
		and Duel.GetDecktopGroup(tp,3):IsExists(Card.IsAbleToHand,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,0,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsPlayerCanDiscardDeck(tp,3) then return end
	Duel.ConfirmDecktop(tp,3)
	local g=Duel.GetDecktopGroup(tp,3)
	if #g==0 then return end
	Duel.DisableShuffleCheck()
	local tg=g:Filter(s.filter,nil)
	if #tg>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
		local sg=tg:Select(tp,1,1,nil)
		Duel.SendtoHand(sg,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,sg)
		Duel.ShuffleHand(tp)
		g:Sub(sg)
	end
	Duel.SendtoGrave(g,REASON_EFFECT)
end