Reverse the Polarity 
Instant
$0.58 #5033 0.63 2.9 years
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• Counter all other spells.
• Switch each creature's power and toughness until end of turn.
• Creatures can't be blocked this turn.
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Cards similar to Reverse the Polarity 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.
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Hull Breach78%
$0.24↓#2396↑0.13↓25.6 years↑
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Unforgiving Aim78%
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Heritage Reclamation77%
$0.40↓#2674↑0.17↓1.4 years↓
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Rally the Monastery76%
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Break Down the Door76%
$0.21↓#9848↓0.10↓1.9 years
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Pick Your Poison76%
$0.28↓#3210↑0.27↓2.6 years
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You Come to the Gnoll Camp76%
$0.20↓#17856↓0.27↓5.1 years↑
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You Find a Cursed Idol76%
$0.21↓#12399↓0.29↓5.1 years↑
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Pawpatch Formation76%
$0.36↓#44150.21↓2.1 years
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Thraben Charm74%
$0.42↓#3189↑0.17↓2.2 years
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Sheoldred's Edict74%
$0.98↑#1153↑0.46↓3.6 years
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Glorious Decay74%
$0.23↓#14827↓0.00↓0.4 years↓
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Life of Toshiro Umezawa // Memory of Toshiro73%
$0.21↓#17295↓0.00↓4.5 years↑
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Smash to Dust72%
$0.15↓#57160.11↓4.0 years↑
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