Giant Breadbug

Giant Breadbug costs {1} less to cast for each creature in all opponents' graveyards.
Trample
Salvage 3 {g}{g}{g} (Whenever a creature dealt damage this turn by Giant Breadbug dies, you may pay {g}{g}{g}. If you do, exile that creature card and put 3 +1/+1 counters on Giant Breadbug.)