Squishy Sphinx Ninja is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

— Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .) — Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.) — 5/3 — 7/7