Lupine Harbingers

Trample, haste
Lupine Harbingers enters the battlefield with X +1/+1 counters on it, where X is the number of turns you've begun since it was foretold.
Foretell {4}{G}{G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)