Put two 1/1 green Squirrel creature tokens onto the battlefield.Flashback-{1}{G}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Protection from black.At the beginning of your upkeep, sacrifice Anurid Scavenger unless you put a card from your graveyard on the bottom of your library.