The Prison of Sins, Purgatory

When this enters the battlefield sacrifice another
land, if you don't, sacrifice this land and a creature
When a human dies return it to the battlefield
under your control, as a of a black zombie, black skeleton, or white spirit chosen at random, it's no longer a human.
Zombies have -1/-1 and deathtouch
Skeletons have +1/+0 and trample
Spirits have +0/+1 and defender