Gloomspite Harvester

Gloomspite Harvester has deathtouch as long as
you exiled a card from a graveyard this turn.
When Gloomspite Harvester enters the battlefield, you may exile target card from any
player's graveyard. If you exile a black card this
way, scry 1 and you lose 1 life. If you exile a
green card this way, put up to one +1/+1 counter
on another target creature and you gain 1 life.
(Do both if you exiled a black and green card.)