Flash Counter 
Instant
$0.29 #18342 0.29 32.4 years
Counter target instant spell.
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Dispel96%
$0.32↑#953↑0.3316.7 years↓
"Counter target instant spell."
Burnout88%
$1.45↑#12475↑0.00↓30.4 years↓
"Counter target instant spell if it's blue."
Disrupt88%
$0.22↓#10244↑0.11↓29.4 years↓
"Counter target instant or sorcery spell unless its controller pays ."
."
Dismiss87%
$0.14↓#11831↑0.3129.0 years↓
"Counter target spell."
Counterspell85%
$2.14↑#16↑0.96↑33.2 years
"Counter target spell."
Bant Charm84%
$0.30↑#5088↑0.2518.0 years↓
"• Counter target instant spell."
Avoid Fate84%
$11.05↑#8259↑0.3832.4 years
"Counter target instant or Aura spell that targets a permanent you control."
Intervene83%
$0.31↑#160280.00↓27.7 years↓
"Counter target spell that targets a creature."
Spell Blast81%
$0.04↓#201120.2833.2 years
"Counter target spell with mana value X."
Guttural Response80%
$1.34↑#8886↑0.2418.5 years↓
"Counter target blue instant spell."
Muddle the Mixture78%
$2.01↑#709↑0.49↑21.0 years↓
"Counter target instant or sorcery spell."
Forbid78%
$0.64↑#8190↑0.60↑28.3 years↓
"Counter target spell."
Remove Soul78%
$0.11↓#147930.2132.4 years
"Counter target creature spell."
Psychic Rebuttal78%
$0.22↓#200880.1911.3 years↓
"Counter target instant or sorcery spell that targets you."
Abjure78%
$1.70↑#6215↑0.45↑29.4 years↓
"Counter target spell."
Miscast77%
$1.39↑#2831↑0.41↑6.3 years↓
"Counter target instant or sorcery spell unless its controller pays 
."
."
Obscura Charm76%
$0.21↓#8769↑0.00↓4.5 years↓
"• Counter target instant or sorcery spell."
Flusterstorm75%
$4.85↑#308↑0.78↑15.3 years↓
"Counter target instant or sorcery spell unless its controller pays ."
."
Force of Will74%
$55.04↑#204↑2.15↑30.4 years↓
"Counter target spell."
Molten Influence74%
$8.69↑#176680.2125.1 years↓
"Counter target instant or sorcery spell unless its controller has this card deal 4 damage to them."