Martyr of Frost 
Creature — Human Wizard
$0.21 #21495 0.38 21.0 years
, Reveal X blue cards from your hand, Sacrifice this creature: Counter target spell unless its controller pays 
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Spiketail Drake92%
$0.12↓#26460↓0.00↓26.3 years↑
"Sacrifice this creature: Counter target spell unless its controller pays 
."
."
Spiketail Hatchling92%
$0.16↓#197830.2826.3 years↑
"Sacrifice this creature: Counter target spell unless its controller pays 
."
."
Wizard Replica92%
$0.24↑#217520.50↑22.9 years↑
", Sacrifice this creature: Counter target spell unless its controller pays ."
, Sacrifice this creature: Counter target spell unless its controller pays ."
Spiketail Drakeling92%
$0.18↓#196570.13↓19.9 years↓
"Sacrifice this creature: Counter target spell unless its controller pays ."
."
Scent of Brine86%
$0.17↓#254140.00↓27.2 years↑
"Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way."
for each card revealed this way."
Spell Syphon86%
$0.11↓#204400.2918.3 years↓
"Counter target spell unless its controller pays for each blue permanent you control."
for each blue permanent you control."
Lilting Refrain85%
$0.29↑#223030.65↑27.9 years↑
"Sacrifice this enchantment: Counter target spell unless its controller pays , where X is the number of verse counters on this enchantment."
, where X is the number of verse counters on this enchantment."
Daring Apprentice85%
$0.33↑#16917↑0.75↑29.9 years↑
"
, Sacrifice this creature: Counter target spell."
, Sacrifice this creature: Counter target spell."
Brine Seer84%
$0.29↑#256760.4427.2 years↑
", : Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way."
, : Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way."
Thassa's Rebuff83%
$0.34↑#14984↑0.4312.6 years↓
"Counter target spell unless its controller pays , where X is your devotion to blue."
, where X is your devotion to blue."
Frontline Medic82%
$0.20↓#3503↑0.3213.6 years↓
"Sacrifice this creature: Counter target spell with in its mana cost unless its controller pays ."
in its mana cost unless its controller pays ."
Judge's Familiar80%
$0.23↑#5502↑0.4513.9 years↓
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
."
Cursecatcher80%
$0.44↑#11621↑0.67↑18.3 years↓
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
."
Malevolent Hermit // Benevolent Geist78%
$1.19↑#4277↑0.354.9 years↓
", Sacrifice this creature: Counter target noncreature spell unless its controller pays ."
, Sacrifice this creature: Counter target noncreature spell unless its controller pays ."
Diversion Unit78%
$0.31↑#7311↑0.13↓1.6 years↓
", Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
, Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
Cerulean Drake78%
$0.11↓#179580.337.2 years↓
"Sacrifice this creature: Counter target spell that targets you."
Clash of Wills76%
$0.15↓#12548↑0.22↓11.1 years↓
"Counter target spell unless its controller pays ."
."
Quench76%
$0.20↓#13076↑0.18↓7.6 years↓
"Counter target spell unless its controller pays ."
."
Siren Stormtamer75%
$0.30↑#1178↑0.25↓8.9 years↓
", Sacrifice this creature: Counter target spell or ability that targets you or a creature you control."
, Sacrifice this creature: Counter target spell or ability that targets you or a creature you control."
Soulsworn Jury74%
$0.26↑#216450.53↑21.0 years
", Sacrifice this creature: Counter target creature spell."
, Sacrifice this creature: Counter target creature spell."