Reality Acid 

Enchantment — Aura
$0.26 #9427 0.21 19.6 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?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Funeral March77%
$0.13↓#28638↓0.47↑30.9 years↑
"When enchanted creature leaves the battlefield, its controller sacrifices a creature of their choice."
Misguided Rage76%
$0.14↓#29428↓0.40↑23.3 years↑
"Target player sacrifices a permanent of their choice."
Archon of Justice72%
$0.22↓#17127↓0.2418.1 years↓
"When this creature dies, exile target permanent."
Lingering Death72%
$0.15↓#24839↓0.2623.3 years↑
"At the beginning of the end step of enchanted creature's controller, that player sacrifices that creature."
Parallax Dementia71%
$0.08↓#28103↓0.00↓26.6 years↑
"When this Aura leaves the battlefield, destroy enchanted creature. That creature can't be regenerated."