--極氷獣アイスバーグ・ナーワル (Anime)
--Glacial Beast Iceberg Narwhal (Anime)
local s,id=GetID()
function s.initial_effect(c)
	--synchro summon
	Synchro.AddProcedure(c,nil,1,1,Synchro.NonTuner(nil),1,99)
	c:EnableReviveLimit()
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_NEGATE+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_CHAINING)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.discon)
	e1:SetTarget(s.distg)
	e1:SetOperation(s.disop)
	c:RegisterEffect(e1)
	--damage
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_DAMAGE)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_PLAYER_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.damcon)
	e2:SetTarget(s.damtg)
	e2:SetOperation(s.damop)
	c:RegisterEffect(e2)
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	return not e:GetHandler():IsStatus(STATUS_BATTLE_DESTROYED) and a and a==e:GetHandler()
		and re:IsHasType(EFFECT_TYPE_ACTIVATE) and rp~=tp and Duel.IsChainNegatable(ev)
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,eg,1,0,0)
	end
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	Duel.NegateActivation(ev)
	if re:GetHandler():IsRelateToEffect(re) then
		Duel.Destroy(eg,REASON_EFFECT)
	end
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return (r&REASON_EFFECT)~=0
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(ev)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,ev)
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end