Cheapest priced copy (Ravnica: Clue Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Snow Day 
Instant · Uncommon · Strixhaven: School of Mages · #53
Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
Draw two cards, then discard a card.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: Clue Edition | 100 | Uncommon | $0.35 | — |
| Strixhaven: School of Mages | 53 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 16 April 2021If you chose targets for Snow Day as you cast it, and none of those targets are legal as it tries to resolve, it will be removed from the stack and do nothing. You will not draw or discard.
- 16 April 2021You may choose tapped creatures as targets. Those creatures won’t untap during their controller’s next untap step.