Help with my team in pokemon. is it good enough?

Question

i have all my pokemon to leval 100 like my coisin but he has never lost at pokemon

his party is

ZAPDOS

thunderbolt

drill peck

hyper beam

fly

ARTICUNO

ice beam

mind reader

sheer cold

???

MOLTRES

flametrower

endure

sky attack

heat wave

LUGIA

airoblast

hyper beam

psycic

shadow ball

HO-OH

sacred fire

hyper beam

???

???

MEWTWO

psycic

thunderbolt

strength

???

my team is

ENTEI

flamethrower

heat wave

streangth

giga impact

SUICUNE

ice beam

surf

hyper beam

aurora beam

RIAKOU

thunderbolt

crunch

dig

shadow ball

GENGAR

shadow ball

dream eater

hypnosis

sludge bome

ALACASAM

psycic

confushion

psywave

calm mind

GOLUM

earthquake

rock blast

rock slide

exploshion

all his pokemon are leval 100 2 what should i do?

Answer 1

it doesn't matter how strong they are .its the strategy

like articuno and entei .entei would lose .

Answer 2

well first i would see what pokemon he uses first and take atvanteged if that does not work go to a really hard place with strong pokemon and bring one strong and five weak put a weak one first then when you battle change your weak pokemon and ues the strong pokemon that is what i do

Answer 3

very good