Q. If I use Sudowoodo's "Watch and Learn" attack on the turn after my opponent's Mew EX used its "Versatile" Ability, can "Watch and Learn" copy the attack that Mew EX used?
A. Yes, that works. (Feb 15, 2018 TPCi Rules Team)
Something like Clefairy's Metronome or Zoroark's Foul Play, however...