Martyr of Frost (CSP-040) - Coldsnap
NOT LEGAL
StandardNOT LEGAL
FutureNOT LEGAL
HistoricNOT LEGAL
TimelessNOT LEGAL
GladiatorNOT LEGAL
PioneerNOT LEGAL
ExplorerLEGAL
ModernLEGAL
LegacyLEGAL
PauperLEGAL
VintageLEGAL
PennyLEGAL
CommanderLEGAL
OathbreakerNOT LEGAL
StandardbrawlNOT LEGAL
BrawlNOT LEGAL
AlchemyLEGAL
Pauper CommanderLEGAL
DuelNOT LEGAL
OldschoolNOT LEGAL
PremodernLEGAL
Predh
, Reveal X blue cards from your hand, Sacrifice this creature: Counter target spell unless its controller pays 
.