Caustic Tar | Enchantment | Aura | Enchant land
Enchanted land has "{T}: Target player loses 3 life." | Jung Park
                
                        
                    Crippling Blight | Enchantment | Aura | Enchant creature
Enchanted creature gets -1/-1 and can't block. | Lucas Graciano
                
                        
                    Eternal Thirst | Enchantment | Aura | Enchant creature
Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.) | Clint Cearley
                
                        
                    Feast on the Fallen | Enchantment |  | At the beginning of each upkeep, if an opponent lost life last turn, put a +1/+1 counter on target creature you control. | Dave Kendall
                
                        
                    Necromancer's Stockpile | Enchantment |  | {1}{B}, Discard a creature card: Draw a card. If the discarded card was a Zombie card, create a tapped 2/2 black Zombie creature token. | Seb McKinnon
                
                        
                    Stab Wound | Enchantment | Aura | Enchant creature
Enchanted creature gets -2/-2.
At the beginning of the upkeep of enchanted creature's controller, that player loses 2 life. | Scott Chou
                
                                    3.5 LSV
                        
                    Waste Not | Enchantment |  | Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add {B}{B}.
Whenever an opponent discards a noncreature, nonland card, draw a card. | Matt Stewart