--機海竜プレシオン
--Mecha Sea Dragon Plesion
local s,id=GetID()
function s.initial_effect(c)
	--summon with no tribute
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SUMMON_PROC)
	e1:SetCondition(s.ntcon)
	c:RegisterEffect(e1)
	--destroy
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_DESTROY)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCost(s.cost)
	e2:SetTarget(s.target)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
end
function s.ntcon(e,c,minc)
	if c==nil then return true end
	return minc==0 and c:GetLevel()>4 and Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsRace,RACE_SEASERPENT),c:GetControler(),LOCATION_MZONE,0,1,nil)
end
function s.cfilter(c)
	return c:IsAttribute(ATTRIBUTE_WATER)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local dg=Duel.GetMatchingGroup(s.filter,tp,0,LOCATION_ONFIELD,nil,e)
	if chk==0 then return Duel.CheckReleaseGroupCost(tp,s.cfilter,1,false,aux.ReleaseCheckTarget,nil,dg) end
	local g=Duel.SelectReleaseGroupCost(tp,s.cfilter,1,1,false,aux.ReleaseCheckTarget,nil,dg)
	Duel.Release(g,REASON_COST)
end
function s.filter(c,e)
	return c:IsFaceup() and (not e or c:IsCanBeEffectTarget(e))
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(1-tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,0,LOCATION_ONFIELD,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,s.filter,tp,0,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end