Demonic Appetite

Enchant creature you control
Enchanted creature gets +3/+3.
At the beginning of your upkeep, sacrifice a creature.

Tormented Soul

Tormented Soul can't block and can't be blocked.

This spell costs {3} less to cast if a creature died this turn.
Flying, deathtouch

Equipped creature gets +1/+0.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

({B/P} can be paid with either {B} or 2 life.)
Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Haste
{1}: Gingerbrute can't be blocked this turn except by creatures with haste.
{2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Changeling (This card is every creature type.)
Changeling Outcast can't block and can't be blocked.

Flying
When you cast a creature spell, sacrifice Skittering Skirge.

Flying
Whenever another artifact you control enters, Glaze Fiend gets +2/+2 until end of turn.