Deathless Altar

Nontoken creatures you control have Afterlife 1.
(When this creature dies, create a 1/1 white and
black Spirit creature token with flying.)
Whenever a creature you control dies, each
opponent loses 1 life and you gain 1 life.
{t}, Sacrifice a nontoken creature: Surveil 1.
(Look at the top card of your library. You may put
that card into your graveyard.)