Pendant of the Ghouls

Whenever a 1/1 creature goes to a graveyard, you
may pay 1 life to add 1 mana of any color. Use
this ability once a turn.
Whenever a 1/1 creature dies, you may gain
1 life.
{t}: Add {1}.
"Life and death are illusions. We are in a constant
state of transformation." - Alejandro G. Inarritu