Black Elves Reorganized

This spell cost {2} less for each permanent you
control that left the battlefield this turn.
Exile target player's graveyard, then create X 1/1
green Elf creature tokens where X is the number
of creature cards in your graveyard, then return
up to two land cards from your graveyard to your
hand.
"Our land has been reclaimed, and our brothers
have been mourned, now it's time to look forward"