Genju of the Fens
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Enchantment — Aura
Enchant Swamp
: Until end of turn, enchanted Swamp becomes a 2/2 black Spirit creature with ": 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.