Sister of the Damned

Whenever a Instant you cast that kills or destroys a Creature, you may select a Undead Creature from
your graveyard, it returns to the battlefield tapped.
If you have no Undead Creatures in your graveyard,
gain three life.

{b/g}{b/g}{b/g}Omen Ward: put a 0/2 Omen Totem
Creature on the battlefield, Omen Totem select
a target creature, that Creature gains Lifelinks
until end of turn, repeat each of your turn.