From the VtES tournament rules for those actually who like calling the judge and like giving warnings to opposing players.
4.7. Tapped Cards
If a card must be tapped as a part of the game rules, it must be turned approximately 90 degrees from the normal position.
And for those who like to complain about complaining players, there’s this section from the “Judges Guide“:
152. Unsportsmanlike Conduct – Major
(A) A player repeatedly calls a judge and argues that an opponent should lose the game for insignificant procedural oversights.