Morteros, the Corruptor

Double strike, vigilance, indestructible
At the beginning of your upkeep, choose another
nonland permanent. The next time that
permanent would leave the battlefield, if your
life total is equal to that permanent's mana value,
return it to the battlefield under your control.
{b/r}, {t}, Discard a card: You draw two cards and
lose 3 life.