Countermand 
Instant
$0.07 #14395 0.20 12.5 years
Counter target spell. Its controller mills four cards.
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Psychic Strike100%
$0.33↑#9231↑0.2613.7 years↑
"Counter target spell. Its controller mills two cards."
Thought Collapse100%
$0.27↑#5861↑0.44↑7.7 years↓
"Counter target spell. Its controller mills three cards."
Didn't Say Please96%
$0.34↑#3545↑0.31↑7.0 years↓
"Counter target spell. Its controller mills three cards."
Tome Scour88%
$0.14↑#118990.07↓17.3 years↑
"Target player mills five cards."
Glimpse the Unthinkable88%
$3.35↑#5060↑0.40↑21.0 years↑
"Target player mills ten cards."
Thought Scour86%
$0.40↑#1801↑0.1214.7 years↑
"Target player mills two cards."
Merfolk Secretkeeper // Venture Deeper84%
$0.25↑#134490.05↓7.0 years↓
"Target player mills four cards."
Returned Centaur84%
$0.05↓#21613↓0.1913.1 years
"When this creature enters, target player mills four cards."
Homarid Explorer84%
$0.08↑#24305↓0.07↓8.5 years↓
"When this creature enters, target player mills four cards."
Compelling Argument83%
$0.20↑#165130.06↓9.5 years↓
"Target player mills five cards."
Dampen Thought82%
$0.13↑#22405↓0.07↓22.1 years↑
"Target player mills four cards."
Outwit82%
$0.06↓#24186↓0.1814.5 years↑
"Counter target spell that targets a player."
Wall of Lost Thoughts82%
$0.17↑#142260.257.7 years↓
"When this creature enters, target player mills four cards."
Merrow Witsniper82%
$0.28↑#26503↓0.1818.7 years↑
"When this creature enters, target player mills a card."
Induce Paranoia82%
$0.24↑#21706↓0.2121.0 years↑
"Counter target spell. If 
was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value."
was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value."
Cancel81%
$0.07#2087↑0.31↑20.0 years↑
"Counter target spell."
Ray of Erasure80%
$0.20↑#21688↓0.1231.4 years↑
"Target player mills a card."
Desperate Bloodseeker80%
$0.21↑#146500.05↓2.5 years↓
"When this creature enters, target player mills two cards."
Pilfered Plans80%
$0.10↑#9764↑0.07↓13.5 years
"Target player mills two cards. Draw two cards."
Brain Freeze80%
$1.79↑#776↑1.06↑23.4 years↑
"Target player mills three cards."