Martyr of Frost 
Creature — Human Wizard
$0.21 #21803 0.26 21.2 years
, Reveal X blue cards from your hand, Sacrifice this creature: Counter target spell unless its controller pays 
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Spiketail Drake92%
$0.11↓#26596↓0.1826.4 years↑
"Sacrifice this creature: Counter target spell unless its controller pays 
."
."
Spiketail Hatchling92%
$0.16↓#199890.05↓26.4 years↑
"Sacrifice this creature: Counter target spell unless its controller pays 
."
."
Wizard Replica92%
$0.22↑#219070.1923.0 years↑
", Sacrifice this creature: Counter target spell unless its controller pays ."
, Sacrifice this creature: Counter target spell unless its controller pays ."
Spiketail Drakeling92%
$0.16↓#199170.2220.0 years↓
"Sacrifice this creature: Counter target spell unless its controller pays ."
."
Scent of Brine86%
$0.18↓#255700.2627.4 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↓#206230.2918.5 years↓
"Counter target spell unless its controller pays for each blue permanent you control."
for each blue permanent you control."
Lilting Refrain85%
$0.28↑#225990.06↓28.0 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%
$0.32↑#17223↑0.2230.0 years↑
"
, Sacrifice this creature: Counter target spell."
, Sacrifice this creature: Counter target spell."
Brine Seer84%
$0.31↑#259770.39↑27.4 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%
$0.37↑#15129↑0.2712.7 years↓
"Counter target spell unless its controller pays , where X is your devotion to blue."
, where X is your devotion to blue."
Frontline Medic80%
$0.21#3575↑0.3413.7 years↓
"Sacrifice this creature: Counter target spell with in its mana cost unless its controller pays ."
in its mana cost unless its controller pays ."
Cursecatcher80%
$0.43↑#11827↑0.2218.5 years↓
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
."
Judge's Familiar80%
$0.22↑#5553↑0.13↓14.0 years↓
"Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays ."
."
Hydromorph Guardian80%
$0.15↓#26925↓0.06↓24.7 years↑
", Sacrifice this creature: Counter target spell that targets a creature you control."
, Sacrifice this creature: Counter target spell that targets a creature you control."
Hydromorph Gull79%
$0.26↑#29068↓0.47↑24.7 years↑
", Sacrifice this creature: Counter target spell that targets a creature you control."
, Sacrifice this creature: Counter target spell that targets a creature you control."
Diversion Unit78%
$0.29↑#7220↑0.241.7 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 ."
Malevolent Hermit // Benevolent Geist78%
$0.98↑#4410↑0.195.1 years↓
", Sacrifice this creature: Counter target noncreature spell unless its controller pays ."
, Sacrifice this creature: Counter target noncreature spell unless its controller pays ."
Cerulean Drake78%
$0.11↓#182280.13↓7.3 years↓
"Sacrifice this creature: Counter target spell that targets you."
Clash of Wills76%
$0.20↓#12412↑0.2911.3 years↓
"Counter target spell unless its controller pays ."
."
Quench76%
$0.16↓#13312↑0.12↓7.7 years↓
"Counter target spell unless its controller pays ."
."