Genju of the Fens (66) [Betrayers of Kamigawa]

Enchant Swamp {2}: Until end of turn, enchanted Swamp becomes a 2/2 black Spirit creature with "{B}: This creature gets +1/+1 until end of turn." It's still a land. When enchanted Swamp is put into a graveyard, you may return this card from your graveyard to your hand.