In magic the gathering are there any black creatures that create green mana?

Question

basically looking for ways to get green mana with an almost completely black deck

Answer 1

Blightsoil Druid - as mentioned above.

Plus:

Blood Celebrant  Creature - Human Cleric , Pay 1 life: Add one mana of any color to your mana pool.

Vesper Ghoul  Creature - Zombie Druid , Pay 1 life: Add one mana of any color to your mana pool.

Chromatic Sphere  Artifact ,1 , Sacrifice Chromatic Sphere: Add one mana of any color to your mana pool. Draw a card.

Chromatic Star  Artifact , 1, Sacrifice Chromatic Star: Add one mana of any color to your mana pool.

When Chromatic Star is put into a graveyard from play, draw a card.

Copper Myr  Artifact Creature - Myr : Add  to your mana pool.

Darksteel Ingot  Artifact Darksteel Ingot is indestructible. ("Destroy" effects and lethal damage don't destroy it.)

: Add one mana of any color to your mana pool.

Golgari Signet  Artifact , : Add  to GB your mana pool.

Answer 2

Blightsoil druid, tap pay 1 life, for a green mana 1/2

And that's all I found but you can search yourself at:

http://magiccards.info/

Answer 3

don't think so, but i know a card called elves of deep shadow, which is green and can be tapped for black mana (costs 1 life every time though)

Answer 4

Scuttlemutts are nice. 2/2 art creature for 3. tap: add one mana  of any color to your mana pool. tap: target creature becomes the color of your choice until the end of turn. A paradise plume or gemstone array will also work.