--幻獣の角
---@param c Card
function c21350571.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_EQUIP)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(TIMING_DAMAGE_STEP)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetCondition(aux.dscon)
	e1:SetCost(c21350571.cost)
	e1:SetTarget(c21350571.target)
	e1:SetOperation(c21350571.operation)
	c:RegisterEffect(e1)
end
function c21350571.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local c=e:GetHandler()
	local cid=Duel.GetChainInfo(0,CHAININFO_CHAIN_ID)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_REMAIN_FIELD)
	e1:SetProperty(EFFECT_FLAG_OATH)
	e1:SetReset(RESET_CHAIN)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_CHAIN_DISABLED)
	e2:SetOperation(c21350571.tgop)
	e2:SetLabel(cid)
	e2:SetReset(RESET_CHAIN)
	Duel.RegisterEffect(e2,tp)
end
function c21350571.tgop(e,tp,eg,ep,ev,re,r,rp)
	local cid=Duel.GetChainInfo(ev,CHAININFO_CHAIN_ID)
	if cid~=e:GetLabel() then return end
	if e:GetOwner():IsRelateToChain(ev) then
		e:GetOwner():CancelToGrave(false)
	end
end
function c21350571.filter(c)
	return c:IsFaceup() and c:IsRace(RACE_BEAST+RACE_BEASTWARRIOR)
end
function c21350571.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and c21350571.filter(chkc) end
	if chk==0 then return e:IsCostChecked()
		and Duel.IsExistingTarget(c21350571.filter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	Duel.SelectTarget(tp,c21350571.filter,tp,LOCATION_MZONE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,e:GetHandler(),1,0,0)
end
function c21350571.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsLocation(LOCATION_SZONE) then return end
	if not c:IsRelateToEffect(e) or c:IsStatus(STATUS_LEAVE_CONFIRMED) then return end
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and tc:IsFaceup() then
		Duel.Equip(tp,c,tc)
		--draw
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
		e1:SetCategory(CATEGORY_DRAW)
		e1:SetDescription(aux.Stringid(21350571,0))
		e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e1:SetCode(EVENT_BATTLE_DESTROYED)
		e1:SetRange(LOCATION_SZONE)
		e1:SetCondition(c21350571.drcon)
		e1:SetTarget(c21350571.drtg)
		e1:SetOperation(c21350571.drop)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		c:RegisterEffect(e1)
		--Atkup
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_EQUIP)
		e2:SetCode(EFFECT_UPDATE_ATTACK)
		e2:SetValue(800)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD)
		c:RegisterEffect(e2)
		--Equip limit
		local e3=Effect.CreateEffect(c)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetCode(EFFECT_EQUIP_LIMIT)
		e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e3:SetValue(c21350571.eqlimit)
		e3:SetReset(RESET_EVENT+RESETS_STANDARD)
		c:RegisterEffect(e3)
	else
		c:CancelToGrave(false)
	end
end
function c21350571.eqlimit(e,c)
	return e:GetHandler():GetEquipTarget()==c
		or c:IsControler(e:GetHandlerPlayer()) and c:IsRace(RACE_BEAST+RACE_BEASTWARRIOR)
end
function c21350571.drfilter(c,rc)
	return c:IsLocation(LOCATION_GRAVE) and c:IsReason(REASON_BATTLE) and c:GetReasonCard()==rc
end
function c21350571.drcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(c21350571.drfilter,1,nil,e:GetHandler():GetEquipTarget())
end
function c21350571.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function c21350571.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)
end
