local cm,m=GetID()
cm.name="深渊海兽究极甲"
function cm.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_RECOVER)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CUSTOM+m)
	e1:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetCondition(cm.condition)
	e1:SetCost(cm.cost)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.activate)
	c:RegisterEffect(e1)
	--Event
	if not cm.global_check then
		cm.global_check=true
		local ge1=Effect.CreateEffect(c)
		ge1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge1:SetCode(EVENT_TO_GRAVE)
		ge1:SetOperation(cm.event)
		Duel.RegisterEffect(ge1,0)
	end
end
--Activate
cm.indval=RD.ValueEffectIndesType(0,TYPE_MONSTER+TYPE_SPELL+TYPE_TRAP)
function cm.confilter(c,tp)
	return c:IsControler(tp)
end
function cm.costfilter(c)
	return c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsAbleToGraveAsCost()
end
function cm.filter(c)
	return c:IsFaceup() and c:IsRace(RACE_SEASERPENT)
end
function cm.condition(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(cm.confilter,1,nil,1-tp)
end
cm.cost=RD.CostSendOnFieldToGrave(cm.costfilter,1,1,true)
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(cm.filter,tp,LOCATION_MZONE,0,1,nil) end
end
function cm.activate(e,tp,eg,ep,ev,re,r,rp)
	RD.SelectAndDoAction(aux.Stringid(m,1),cm.filter,tp,LOCATION_MZONE,0,1,1,nil,function(g)
		local tc=g:GetFirst()
		RD.AttachAtkDef(e,tc,1000,0,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		Duel.Recover(tp,1000,REASON_EFFECT)
		if tc:IsType(TYPE_MAXIMUM) then
			RD.AttachBattleIndes(e,tc,1,aux.Stringid(m,2),RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
			RD.AttachEffectIndes(e,tc,cm.indval,aux.Stringid(m,3),RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		end
	end)
end
--Event
function cm.event(e,tp,eg,ep,ev,re,r,rp)
	Duel.RaiseEvent(eg,EVENT_CUSTOM+m,re,r,rp,ep,ev)
end