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Grumpy old man
Those tutor moves don't exist on Pokémon XY, and so would have to be done on previous generations (i.e. Sylveon would have to be an Eevee).Move tutor signal beam, hyper voice, and super power for my jolteon, sylveon, and flareon.
However, Wifi services have shut down for previous generation games (pre-XY). So you couldn't simply trade your Pokémon to someone who does have access to those tutor moves. Sorry to disappoint.