Cheapest priced copy (Portal Second Age): $0.49 at Card Kingdom, near mint, their price list as of .
Just Fate 
Instant · Rare · Portal Second Age · #17
Cast this spell only during the declare attackers step and only if you've been attacked this step.
Destroy target attacking creature.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Portal Second Age | 17 | Rare | $0.49 | — |