Creature — Human Cleric 1/1, 1B (2)
Uncommon
{1}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.
The demon Griselbrand dared to stand against Avacyn, earning him the loathing of thousands and the admiration of a few.
Illus. Clint Cearley

9/22/2011: The amount of life you gain is equal to the toughness of the creature as it last existed on the battlefield, not its toughness in the graveyard.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Extended (Type 1.X)
Legal in Standard (Type 2)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern