Cheapest priced copy (Gatecrash): $0.35 at Card Kingdom, near mint, their price list as of .
Skullcrack 
Instant · Uncommon · Gatecrash · #106
Players can't gain life this turn. Damage can't be prevented this turn. Skullcrack deals 3 damage to target player or planeswalker.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 106 | Uncommon | $0.35 | $2.99Out of stock |
| Breaking News | 27 | Rare | $0.49 | $0.99 |
| Ravnica Remastered | 125 | Uncommon | $0.49 | $0.49 |
| Ravnica Remastered | 341 | Uncommon | $0.35 | $1.99 |
4 rulings from Wizards of the Coast
- 12 January 2024Effects that would replace gaining life with another effect won't apply because it's impossible for players to gain life.
- 12 January 2024Spells and abilities that would cause a player to gain life or that would prevent damage still resolve, but the life-gain and damage-prevention parts have no effect.
- 12 January 2024Skullcrack targets only the player or planeswalker. If that player or planeswalker is an illegal target when Skullcrack tries to resolve, it won't resolve and none of its effects will happen.
- 12 January 2024If an effect says to set a player's life total to a certain number and that number is higher than the player's current life total, that part of the effect won't do anything. (If the number is lower than the player's current life total, the effect will work as normal.)