Monument of Agony

{p/c}, Sacrifice a creature. Give target creature a
number of counters it already has equal to its
converted mana cost.
{p/c}{p/c}{t}, Exile a card from your graveyard.
When Monument of Agony leaves the field,
add 1 of the cards Exiled this way to your hand.
When an opponents creature with a -1/-1
counter is destroyed, draw a card and gain 1 life.