Random Effects Every 10 Seconds

Arranca el datapack con /function er:start y cada 10 segundos todos los jugadores recibirán un efecto aleatorio. Eso es todo...

Start the datapack with /function er:start and it will give all the players a random effect every 10 seconds. Thats all...

(The datapack is in spanish but there is very little text, so it should be no problem even if you dont understand it)