Consecrated by Blood
{2}{B}{B}
Enchantment -- Aura
Enchant creature
Enchanted creature gets +2/+2 and has flying and "Sacrifice two other creatures: Regenerate ~this~." (The next time the creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Voldaren Pariah
{3}{B}{B}
Creature -- Vampire Horror
3/3
Flying
Sacrifice three other creatures: Transform ~this~.
Madness {B}{B}{B} (If you discard ~this~, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)