Phyrexian Negator 
Creature — Phyrexian Horror
$13.26 #10439 0.63 27.4 years
Trample
Whenever this creature is dealt damage, sacrifice that many permanents.
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Phyrexian Totem94%
$0.16↓#24319↓0.00↓20.0 years↓
"Whenever this permanent is dealt damage, if it's a creature, sacrifice that many permanents."
Drinker of Sorrow88%
$2.59↓#13128↓0.06↓23.7 years↓
"Whenever this creature deals combat damage, sacrifice a permanent."
Dralnu, Lich Lord86%
$0.29↓#20141↓0.05↓20.0 years↓
"If damage would be dealt to this card, sacrifice that many permanents instead."
Lich84%
$125.43↑#20219↓0.45↓33.2 years↑
"Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game."
Lich's Tomb80%
$3.19↓#15665↓0.50↓22.7 years↓
"Whenever you lose life, sacrifice a permanent for each 1 life you lost."
Oath of Lim-Dûl76%
$0.51↓#21555↓0.10↓31.4 years↑
"Whenever you lose life, for each 1 life you lost, sacrifice a permanent other than this enchantment unless you discard a card."
Phyrexian Dreadnought76%
$271.37↑#95500.32↓30.0 years↑
"Trample"
Angelic Purge74%
$0.09↓#124900.07↓10.5 years↓
"As an additional cost to cast this spell, sacrifice a permanent."
Sulam Djinn74%
$0.23↓#32060↓0.00↓26.0 years↓
"Trample"
Greater Harvester74%
$2.03↓#13511↓0.38↓22.7 years↓
"At the beginning of your upkeep, sacrifice a permanent."
Renounce74%
$0.30↓#21265↓0.19↓27.0 years
"Sacrifice any number of permanents. You gain 2 life for each permanent sacrificed this way."
Foundry Helix70%
$0.15↓#20398↓0.00↓5.3 years↓
"As an additional cost to cast this spell, sacrifice a permanent."
Shimatsu the Bloodcloaked70%
$0.17↓#26675↓0.11↓22.1 years↓
"As Shimatsu enters, sacrifice any number of permanents. Shimatsu enters with that many +1/+1 counters on it."