Thermal Flux
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.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2006-07-15:
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.