Cheapest priced copy (Bloomburrow): $0.35 at Card Kingdom, near mint, their price list as of .
Agate Assault 
Sorcery · Common · Bloomburrow · #122
Choose one —
• Agate Assault deals 4 damage to target creature. If that creature would die this turn, exile it instead.
• Exile target artifact.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Bloomburrow | 122 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 26 July 2024The replacement effect from Agate Assault’s first mode will exile the target creature if it would die this turn for any reason, not just due to lethal damage.