Drakmir, Dredge Savant

If a card with Dredge would be put into your graveyard from your library,
you may exile it instead. If you do put a
+1/+1 counter on Drakmir, Dredge Savant.
{1}{b/g}: Exile a card from your graveyard:
You may Dredge X, where X is the converted
mana cost of the exiled card.If you do,
put that card into your hand.