Silent Skimmer
{3}{B}
Creature -- Eldrazi Drone
0/4
Devoid (~this~ has no color.)
Flying
Whenever ~this~ attacks, defending player loses 2 life.
Spiteful Returned
{1}{B}
Enchantment Creature -- Zombie
1/1
Bestow {3}{B} (If you cast ~this~ for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Whenever ~this~ or enchanted creature attacks, defending player loses 2 life.
Enchanted creature gets +1/+1.