There is also traitorous blood and act of aggression, which are pretty much the same card as act of treason.
Also, i have a green black sacrifice deck. They can take a bit to get set up, but they're really brutal when they manage it, and they're tough to deal with because you can just sacrifice the creature for your own benefit if they try to destroy it.
Also, i have a green black sacrifice deck. They can take a bit to get set up, but they're really brutal when they manage it, and they're tough to deal with because you can just sacrifice the creature for your own benefit if they try to destroy it.