Thermal Flux
Coldsnap (CSP)
Instant
Choose one — • Target nonsnow permanent becomes snow until end of turn. • Target snow permanent isn't snow until end of turn. Draw a card at the beginning of the next turn's upkeep.Plays as
Modal Spell
Format legality
Constructed
StandardNot legal
PioneerNot legal
ModernLegal
LegacyLegal
VintageLegal
PauperLegal
Commander
CommanderLegal
Pauper CommanderLegal
Duel CommanderLegal
PreDHLegal
OathbreakerLegal
Tiny LeadersLegal
Arena
AlchemyNot legal
HistoricNot legal
TimelessNot legal
BrawlNot legal
Standard BrawlNot legal
Competitive BrawlNot legal
GladiatorNot legal
Other
PremodernNot legal
Old SchoolNot legal
Penny DreadfulNot legal
Future StandardNot legal
Used in 4 known combosEDHREC #11,309
Rulings
1 · latest Jul 15, 2006
- WotCJul 15, 2006
Thermal Flux adds or removes the supertype snow from a permanent. Adding or removing a supertype doesn’t affect any other types, supertypes, or subtypes that permanent has.