Takolos, Undying Champion

First strike, lifelink, undying
Vengeance - If you were dealt 5 or more
damage this turn by sources your opponents
control, you may cast Takolos, Undying
Champion from your graveyard. If you do, it
can be cast as though it had flash and gains indestructible until your next turn.
"Retribution approaches from beyond mortality."
Rakosh, Bleak Cult Magister.