Theseus Claims His Commander Deck is Definitely Still a Precon

Lol a dude in my group is always trying to pull this. "I only added a few cards" is BS when those cards are cyclonic rift, esper sentinel, mana vault, and swords of x and x. Pulled it out to play against my other buddies unmodified precon he had just bought then got mad when we called him on it.