Karador, Ghost Chieftain
{5}{W}{B}{G}
Legendary Creature -- Centaur Spirit
3/4
~this~ costs {1} less to cast for each creature card in your graveyard.
Once during each of your turns, you may cast a creature spell from your graveyard.
Nemesis of Mortals
{4}{G}{G}
Creature -- Snake
5/5
~this~ costs {1} less to cast for each creature card in your graveyard.
{7}{G}{G}: Monstrosity 5. This ability costs {1} less to activate for each creature card in your graveyard. (If ~this~ isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.)
The Cauldron of Eternity
{10}{B}{B}
Legendary Artifact
~this~ costs {2} less to cast for each creature card in your graveyard.
Whenever a creature you control dies, put it on the bottom of its owner's library.
{2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.