Ertai's Scorn 
Instant
$0.27 #9323 0.17 4.0 years
This spell costs less to cast if an opponent cast two or more spells this turn.
less to cast if an opponent cast two or more spells this turn.Counter target spell.
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Cancel96%
$0.06↓#2057↑0.29↑19.9 years↑
"Counter target spell."
Outwit92%
$0.07↓#23869↓0.1814.3 years↑
"Counter target spell that targets a player."
Contradict90%
$0.06↓#19487↓0.00↓11.4 years↑
"Counter target spell."
Out of Air88%
$0.20↓#13810↓0.53↑2.8 years↓
"This spell costs 
less to cast if it targets a creature spell."
less to cast if it targets a creature spell."+1 more matching line
Double Negative88%
$0.27#20950↓0.0917.3 years↑
"Counter up to two target spells."
Frazzle88%
$0.13↓#29954↓0.1120.6 years↑
"Counter target nonblue spell."
Frilled Mystic88%
$0.19↓#7189↑0.56↑7.6 years↑
"When this creature enters, you may counter target spell."
Minor Misstep88%
$0.17↓#14720↓1.00↑3.6 years
"Counter target spell with mana value 1 or less."
Wizard's Retort88%
$0.30↑#4672↑0.40↑8.4 years↑
"Counter target spell."
Brush Off88%
$0.25↓#12999↓0.00↓0.4 years↓
"Counter target spell."
Thoughtbind88%
$0.05↓#29397↓0.33↑21.9 years↑
"Counter target spell with mana value 4 or less."
Last Word87%
$0.65↑#18697↓0.67↑22.6 years↑
"Counter target spell."
Familiar's Ruse86%
$0.36↑#6971↑0.1218.9 years↑
"Counter target spell."
Fall of the Gavel86%
$0.13↓#24691↓0.29↑13.9 years↑
"Counter target spell. You gain 5 life."
Absorb86%
$0.35↑#3709↑0.30↑25.9 years↑
"Counter target spell. You gain 3 life."
Deprive85%
$0.39↑#97560.1916.4 years↑
"Counter target spell."
Confound85%
$0.18↓#11856↓0.00↓25.6 years↑
"Counter target spell that targets a creature."
Out of Bounds84%
$0.22↓#18301↓0.44↑8.2 years↑
"Counter target spell."
Spell Snare84%
$0.42↑#84420.39↑20.3 years↑
"Counter target spell with mana value 2."
Ionize84%
$0.30↑#75340.40↑7.9 years↑
"Counter target spell. this card deals 2 damage to that spell's controller."