Invert Polarity 
Instant
$0.54 #2220 0.48 2.2 years
Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip, counter that spell.
Click a line or tag to filter
Cards similar to Invert 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.
Aethersnatch87%
$1.15↑#14011↓0.71↑10.8 years↑
"Gain control of target spell. You may choose new targets for it."
Commandeer82%
$3.37↑#19911.00↑20.1 years↑
"Gain control of target noncreature spell. You may choose new targets for it."
Chef's Kiss78%
$0.33↓#5452↓0.71↑5.3 years↑
"Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control."
Sudden Substitution76%
$7.61↑#6933↓0.73↑7.0 years↑
"Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it."
Perplexing Chimera72%
$2.37↑#5501↓0.84↑12.6 years↑
"Whenever an opponent casts a spell, you may exchange control of this creature and that spell. If you do, you may choose new targets for the spell."
Desertion72%
$0.48↓#7214↓0.4129.6 years↑
"Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard."
Redirect72%
$0.30↓#9181↓0.4816.1 years↑
"You may choose new targets for target spell."
Cancel70%
$0.06↓#20570.29↓19.9 years↑
"Counter target spell."
Swerve70%
$0.43↓#15514↓0.32↓17.9 years↑
"Change the target of target spell with a single target."
Shunt70%
$0.93↑#14211↓0.4422.6 years↑
"Change the target of target spell with a single target."