Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn, during your Standby Phase: Take 300 damage. Once per turn, during your End Phase: You can pay 500 LP; give control of this card to your opponent. * The above text is unofficial and describes the card's functionality in the OCG.
--マタンゴ
--Mushroom Man #2
local s,id=GetID()
function s.initial_effect(c)
	--damage
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e1:SetCategory(CATEGORY_DAMAGE)
	e1:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCondition(s.damcon)
	e1:SetTarget(s.damtg)
	e1:SetOperation(s.damop)
	c:RegisterEffect(e1)
	--control
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCategory(CATEGORY_CONTROL)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.ctlcon)
	e2:SetCost(Cost.PayLP(500))
	e2:SetTarget(s.ctltg)
	e2:SetOperation(s.ctlop)
	c:RegisterEffect(e2)
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp)
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,0,0,tp,300)
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Damage(tp,300,REASON_EFFECT)
end
function s.ctlcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp)
end
function s.ctltg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsControlerCanBeChanged() end
	Duel.SetOperationInfo(0,CATEGORY_CONTROL,e:GetHandler(),1,0,0)
end
function s.ctlop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		Duel.GetControl(c,1-tp)
	end
end