If the equipped monster attacks a monster with a "Maiden Counter" on it and the controller of the equipped monster takes Battle Damage, take control of the monster that inflicts Battle Damage to a player's Life Points at the end of the Damage Step.
"So you thought you could destroy my Dark Magician with your Time Wizard Joey? Too bad, I've just made up a new card! Here comes Dark Sage!"
And let's not forget that destroying the moon equip spell completely erases Umi.
I attack the MOON!
is what that card image is telling me
End of Damage Step instead of end of Battle Phase means after taking control, we can attack with it. Nice.
.....Still, while I'm happy we got Blair, but why now? It would have been a lot better if Konami expand her Mystic cards in real life before putting her into DL. That way she would have a better deck to play with.....