Tainted Aether 
Enchantment
$8.29 #12995 1.62 27.9 years
Whenever a creature enters, its controller sacrifices a creature or land of their choice.
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Cards similar to Tainted Aether expected a card that isn't here?
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Burning Sands86%
$2.40↓#18596↓1.6624.9 years↓
"Whenever a creature dies, that creature's controller sacrifices a land of their choice."
Overburden85%
$15.05↑#121881.47↓26.3 years↓
"Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand."
Earthlink82%
$0.91↓#29550↓0.86↓31.3 years↑
"Whenever a creature dies, that creature's controller sacrifices a land of their choice."
Stoneshaker Shaman78%
$0.66↓#107471.00↓20.9 years↓
"At the beginning of each player's end step, that player sacrifices an untapped land of their choice."
Keldon Firebombers75%
$2.06↓#17017↓1.6126.3 years↓
"When this creature enters, each player sacrifices all lands they control except for three."
Global Ruin74%
$0.38↓#22101↓1.84↑25.9 years↓
"Each player chooses from the lands they control a land of each basic land type, then sacrifices the rest."
Mana Vortex74%
$14.43↑#20380↓1.5832.1 years↑
"At the beginning of each player's upkeep, that player sacrifices a land of their choice."
Destructive Urge74%
$0.54↓#17661↓1.03↓27.9 years
"Whenever enchanted creature deals combat damage to a player, that player sacrifices a land of their choice."
Lava Runner71%
$0.49↓#27389↓0.40↓26.9 years
"Whenever this creature becomes the target of a spell or ability, that spell or ability's controller sacrifices a land of their choice."
Aether Flash71%
$0.71↓#117250.47↓29.2 years↑
"Whenever a creature enters, this enchantment deals 2 damage to it."
Predatory Nightstalker70%
$0.06↓#31049↓0.50↓28.2 years
"When this creature enters, you may have target opponent sacrifice a creature of their choice."
Thresher Beast70%
$0.15↓#26429↓0.38↓26.3 years↓
"Whenever this creature becomes blocked, defending player sacrifices a land of their choice."
Mana Breach70%
$0.30↓#105581.84↑28.2 years
"Whenever a player casts a spell, that player returns a land they control to its owner's hand."
Yawning Fissure70%
$0.02↓#29070↓0.73↓17.1 years↓
"Each opponent sacrifices a land of their choice."
Death Match70%
$0.62↓#23211↓0.94↓23.9 years↓
"Whenever a creature enters, that creature's controller may have target creature of their choice get -3/-3 until end of turn."
Land Equilibrium70%
$127.48↑#21293↓1.51↓32.3 years↑
"If an opponent who controls at least as many lands as you do would put a land onto the battlefield, that player instead puts that land onto the battlefield then sacrifices a land of their choice."
Destructive Flow70%
$1.42↓#20003↓1.39↓25.6 years↓
"At the beginning of each player's upkeep, that player sacrifices a nonbasic land of their choice."