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Fallen Ideal
{2}{B}
Enchantment -- Aura
Enchant creature
Enchanted creature has flying and "Sacrifice a creature: ~this~ gets +2/+1 until end of turn."
When ~this~ is put into a graveyard from the battlefield, return it to its owner's hand.

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

Midnight Covenant
{1}{B}
Enchantment -- Aura
Enchant creature
Enchanted creature has "{B}: ~this~ gets +1/+1 until end of turn."

Oblivion Crown
{1}{B}
Enchantment -- Aura
Flash (You may cast ~this~ any time you could cast an instant.)
Enchant creature
Enchanted creature has "Discard a card: ~this~ gets +1/+1 until end of turn."

Shade's Breath
{1}{B}
Instant
Until end of turn, each creature you control becomes a black Shade and gains "{B}: ~this~ gets +1/+1 until end of turn."

Shade's Form
{1}{B}{B}
Enchantment -- Aura
Enchant creature
Enchanted creature has "{B}: ~this~ gets +1/+1 until end of turn."
When enchanted creature dies, return that card to the battlefield under your control.

Spectral Sliver
{2}{B}
Creature -- Sliver Spirit
2/2
All Sliver creatures have "{2}: ~this~ gets +1/+1 until end of turn."