Elven Alliance

This card comes into play with 3 Bond counters, when it is put into the graveyard remove a Bond counter and put it back into your hand, if it enters the graveyard with no Bond counters it exile it.
All Green spells you play cost {1} less and all Black spells cost {1} more, Green creatures you control have +1/+2 and Black creatures that opponents control have -1/-2