Commandeer 
Instant
$3.49 #1882 1.08 20.2 years
You may exile two blue cards from your hand rather than pay this spell's mana cost.
Gain control of target noncreature spell. You may choose new targets for it. (If that spell is an artifact, enchantment, or planeswalker, the permanent enters under your control.)
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Cards similar to Commandeer expected a card that isn't here?
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Misdirection96%
$12.41↑#1493↑0.95↓27.0 years↑
"You may exile a blue card from your hand rather than pay this spell's mana cost."
+1 more matching line
Aethersnatch86%
$1.14↓#14185↓0.50↓10.9 years↓
"Gain control of target spell. You may choose new targets for it."
Sudden Substitution84%
$6.73↑#6839↓0.47↓7.2 years↓
"Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it."
Snapback81%
$0.36↓#4041↓0.30↓20.0 years
"You may exile a blue card from your hand rather than pay this spell's mana cost."
Disrupting Shoal80%
$16.05↑#9387↓0.31↓21.7 years↑
"You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost."
Invert Polarity80%
$0.59↓#2264↓0.41↓2.3 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."
Chef's Kiss78%
$0.38↓#5518↓0.12↓5.5 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."
Force of Negation77%
$45.17↑#273↑1.95↑7.4 years↓
"If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost."
+1 more matching line
Force of Will76%
$55.32↑#204↑2.15↑30.4 years↑
"You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost."
Deflecting Swat72%
$71.76↑#74↑1.73↑6.5 years↓
"You may choose new targets for target spell or ability."
Redirect72%
$0.33↓#9185↓0.29↓16.3 years↓
"You may choose new targets for target spell."
Ricochet Trap71%
$0.35↓#7607↓0.35↓16.7 years↓
"If an opponent cast a blue spell this turn, you may pay 
rather than pay this spell's mana cost."
rather than pay this spell's mana cost."+1 more matching line
Sunscour70%
$2.78↓#20814↓0.88↓20.2 years
"You may exile two white cards from your hand rather than pay this spell's mana cost."
Subtlety70%
$10.24↑#4241↓0.80↓5.5 years↓
"Evoke—Exile a blue card from your hand."