Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
All "Dinomist" monsters on the field gain 300 ATK and DEF. If a "Dinomist" monster you control battles, your opponent cannot activate cards or effects until the end of the Damage Step.
--ダイナミックP
--Dinomic Powerload
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--atk up
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetRange(LOCATION_FZONE)
	e2:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e2:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,SET_DINOMIST))
	e2:SetValue(300)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e3)
	--actlimit
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_FIELD)
	e4:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e4:SetCode(EFFECT_CANNOT_ACTIVATE)
	e4:SetRange(LOCATION_FZONE)
	e4:SetTargetRange(0,1)
	e4:SetValue(1)
	e4:SetCondition(s.actcon)
	c:RegisterEffect(e4)
end
s.listed_series={SET_DINOMIST}
function s.cfilter(c,tp)
	return c:IsFaceup() and c:IsSetCard(SET_DINOMIST) and c:IsControler(tp)
end
function s.actcon(e)
	local tp=e:GetHandlerPlayer()
	local a=Duel.GetAttacker()
	local d=Duel.GetAttackTarget()
	return (a and s.cfilter(a,tp)) or (d and s.cfilter(d,tp))
end