Pulsework Gladiator

Reoperate {2}{e} (Once only, you may cast this
creature from your graveyard by paying {2} and {e}. This resets when a Fal'Cie creature enters the battlefield.)
Whenever Pulsework Gladiator is dealt damage,
it gets -2/-0 and gains defender until end of your
next turn.
Whenever Pulsework Gladiator attacks, mill the
top two cards of your library.