Moria

At the beginning of your upkeep you may sacrifice any amount of creatures, if you do, create that many 2/1 black Moria goblins with haste.
{t}: Add {b} or {c} to your mana pool.
{3}, sacrifice a creature with power 4 or greater: Create a 9/9 red, black Balrog creature token with Last-strike, defender, protection from black and from red, "Balrog can block an additional two creatures each combat" and "At the next end step sacrifice this creature."