Night of Souls' Betrayal 
Legendary Enchantment
$2.01 #10844 0.60 22.1 years
All creatures get -1/-1.
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Kaervek, the Spiteful100%
$0.29↓#103690.586.3 years↓
"Other creatures get -1/-1."
Nausea98%
$0.03↓#18163↓0.06↓28.3 years↑
"All creatures get -1/-1 until end of turn."
Shrivel98%
$0.10↓#18854↓0.07↓16.5 years↓
"All creatures get -1/-1 until end of turn."
Infest98%
$0.10↓#21931↓0.07↓24.0 years↑
"All creatures get -2/-2 until end of turn."
Languish98%
$0.35↓#5753↑0.26↓11.3 years↓
"All creatures get -4/-4 until end of turn."
Toxic Deluge94%
$5.07↑#66↑0.81↑13.0 years↓
"All creatures get -X/-X until end of turn."
Hideous Laughter92%
$0.19↓#25470↓0.31↓22.1 years
"All creatures get -2/-2 until end of turn."
Blight Grenade91%
$0.39↓#125330.32↓4.0 years↓
"All creatures get -3/-3 until end of turn."
Final Revels91%
$0.15↓#31487↓0.11↓19.0 years↓
"• All creatures get -0/-2 until end of turn."
Flowstone Slide90%
$0.17↓#28131↓0.20↓26.7 years↑
"All creatures get +X/-X until end of turn."
Darkness Descends90%
$0.26↓#100570.37↓0.7 years↓
"Put two -1/-1 counters on each creature."
Planar Despair90%
$0.18↓#29871↓0.22↓25.4 years↑
"All creatures get -1/-1 until end of turn for each basic land type among lands you control."
Drag to the Bottom90%
$0.12↓#21670↓0.22↓4.1 years↓
"Each creature gets -X/-X until end of turn, where X is 1 plus the number of basic land types among lands you control."
Hazardous Conditions88%
$0.06↓#28996↓0.40↓10.1 years↓
"Creatures with no counters on them get -2/-2 until end of turn."
Withering Curse87%
$0.99↓#97840.500.5 years↓
"All creatures get -2/-2 until end of turn."
Stronghold Taskmaster87%
$0.14↓#29312↓0.19↓28.6 years↑
"Other black creatures get -1/-1."
Urborg Shambler87%
$0.31↓#29733↓0.27↓26.0 years↑
"Other black creatures get -1/-1."
Mephitic Vapors86%
$0.11↓#21206↓0.00↓8.0 years↓
"All creatures get -1/-1 until end of turn."
Curse of Death's Hold85%
$0.71↓#92550.86↑15.1 years↓
"Creatures enchanted player controls get -1/-1."
Drown in Sorrow85%
$0.24↓#19903↓0.35↓12.7 years↓
"All creatures get -2/-2 until end of turn. Scry 1."