Bog's Heart Civilization

Enchant Basic Swamp
Enchanted land has "{t}: Return a creature with
mana value 2 or less from your graveyard to your
hand," and "{b},{t}: Create a token copy of Bog's
Heart Civilization and attach it to a basic Swamp
you control."
Whenever a creature with toughness three or
greater attacks you, if no black creatures are
attacking you, that creature gets -1/-1 until the
end of turn.