Reality Acid 

Enchantment — Aura
$0.26 #9607 0.41 19.7 years
Enchant permanent
Vanishing 3 (This Aura enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When this Aura leaves the battlefield, enchanted permanent's controller sacrifices it.
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Cards similar to Reality Acid expected a card that isn't here?
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Funeral March77%
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Misguided Rage76%
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"Target player sacrifices a permanent of their choice."
Phyrexian Obliterator74%
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"Whenever a source deals damage to this creature, that source's controller sacrifices that many permanents of their choice."
Archon of Justice72%
$0.20↓#17564↓0.56↑18.2 years↓
"When this creature dies, exile target permanent."
Lingering Death72%
$0.18↓#25219↓0.06↓23.4 years↑
"At the beginning of the end step of enchanted creature's controller, that player sacrifices that creature."
Parallax Dementia71%
$0.07↓#28390↓0.00↓26.7 years↑
"When this Aura leaves the battlefield, destroy enchanted creature. That creature can't be regenerated."