Murder

Unholy Indenture

Enchant creature
When enchanted creature dies, return that card to the battlefield under your control with a +1/+1 counter on it.

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Whenever a creature you control enters, you gain 1 life.

Enchant creature
When Angelic Gift enters, draw a card.
Enchanted creature has flying.

Enchant creature
Enchanted creature can't attack or block.

Flying
Whenever you gain life, put a +1/+1 counter on Bloodthirsty Aerialist.

Forsaken Sanctuary enters tapped.
{T}: Add {W} or {B}.

Orzhov Guildgate enters tapped.
{T}: Add {W} or {B}.

Flying
If you would gain life, you gain that much life plus 1 instead.
Angel of Vitality gets +2/+2 as long as you have 25 or more life.