--アビスチーム
local s,id,o=GetID()
function s.initial_effect(c)
	--same effect send this card to grave and spsummon another card check
	local e0=aux.AddThisCardInGraveAlreadyCheck(c)
	--draw
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.drtg)
	e1:SetOperation(s.drop)
	c:RegisterEffect(e1)
	--to hand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_FIELD)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_DESTROYED)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetLabelObject(e0)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.thcon)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_AQUA+RACE_FISH+RACE_SEASERPENT)
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if not Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil) then return false end
	local g=Duel.GetMatchingGroup(s.cfilter,tp,LOCATION_MZONE,0,nil)
	local gc=g:GetClassCount(Card.GetRace)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,gc) end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(gc)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,gc)
end
function s.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)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.splimit)
	if Duel.GetTurnPlayer()==tp then
		e1:SetReset(RESET_PHASE+PHASE_END+RESET_SELF_TURN,2)
	else
		e1:SetReset(RESET_PHASE+PHASE_END+RESET_SELF_TURN)
	end
	Duel.RegisterEffect(e1,tp)
end
function s.splimit(e,c)
	return not c:IsAttribute(ATTRIBUTE_WATER) and c:IsLocation(LOCATION_EXTRA)
end
function s.cfilter2(c,se)
	return c:IsReason(REASON_BATTLE+REASON_EFFECT)
		and c:IsPreviousPosition(POS_FACEUP)
		and bit.band(c:GetPreviousAttributeOnField(),ATTRIBUTE_WATER)
		and c:IsPreviousLocation(LOCATION_MZONE) and (se==nil or c:GetReasonEffect()~=se)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	local se=e:GetLabelObject():GetLabelObject()
	return eg:IsExists(s.cfilter2,1,e:GetHandler(),se)
end
function s.thfilter(c)
	return c:IsFaceupEx() and c:IsSetCard(0x74) and c:IsType(TYPE_MONSTER) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_GRAVE+LOCATION_REMOVED,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_GRAVE+LOCATION_REMOVED)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.thfilter),tp,LOCATION_GRAVE+LOCATION_REMOVED,0,1,1,nil)
	if g:GetCount()>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end