Trespasser's Curse 
Enchantment — Aura Curse
$0.33 #5175 0.53 9.5 years
Enchant player
Whenever a creature enchanted player controls enters, that player loses 1 life and you gain 1 life.
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Parasitic Impetus84%
$0.19↓#2824↑0.23↓6.5 years↓
"Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life."
+1 more matching line
Polluted Bonds84%
$5.25↑#3731↑0.6218.5 years↑
"Whenever a land an opponent controls enters, that player loses 2 life and you gain 2 life."
Poisonbelly Ogre80%
$0.07↓#28307↓0.22↓20.7 years↑
"Whenever another creature enters, its controller loses 1 life."
Curse of Fool's Wisdom79%
$4.50↑#6716↓0.587.2 years↓
"Whenever enchanted player draws a card, they lose 2 life and you gain 2 life."
+1 more matching line
Campaign of Vengeance78%
$0.26↓#12904↓0.00↓10.2 years
"Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life."
Curse of Silence78%
$0.35↑#11912↓0.565.1 years↓
"Enchant player"
Blood Seeker76%
$0.22↓#2710↑0.27↓17.0 years↑
"Whenever a creature an opponent controls enters, you may have that player lose 1 life."
Accursed Witch // Infectious Curse76%
$0.29↓#10803↓0.14↓10.5 years↑
"At the beginning of enchanted player's upkeep, that player loses 1 life and you gain 1 life."
+1 more matching line
Soul's Attendant76%
$6.63↑#792↑0.43↓16.5 years↑
"Whenever another creature enters, you may gain 1 life."
Revenge of Ravens76%
$0.31↓#2926↑0.18↓7.0 years↓
"Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life and you gain 1 life."
Curse of Leeches // Leeching Lurker76%
$0.29↓#14286↓0.13↓5.1 years↓
"At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life."
+1 more matching line
Essence Warden76%
$8.08↑#1138↑0.33↓19.7 years↑
"Whenever another creature enters, you gain 1 life."
Soul Warden76%
$3.31↑#461↑0.5928.3 years↑
"Whenever another creature enters, you gain 1 life."
Dogged Pursuit75%
$0.17↓#12922↓0.33↓5.7 years↓
"At the beginning of your end step, each opponent loses 1 life and you gain 1 life."
Gloom Sower75%
$0.11↓#21308↓0.00↓6.3 years↓
"Whenever this creature becomes blocked by a creature, that creature's controller loses 2 life and you gain 2 life."
Thunder of Unity74%
$0.24↓#9750↓0.00↓1.5 years↓
"Whenever a creature you control enters this turn, each opponent loses 1 life and you gain 1 life."
Kambal, Profiteering Mayor74%
$5.52↑#1181↑0.612.5 years↓
"Whenever one or more tokens you control enter, each opponent loses 1 life and you gain 1 life."
Drana's Emissary74%
$0.34↑#6763↓0.06↓11.0 years↑
"At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life."
Curse of Echoes74%
$0.52↑#10054↓0.5314.7 years↑
"Enchant player"
Psychic Possession74%
$13.90↑#11428↓0.64↑20.5 years↑
"Enchant opponent"