Cheapest priced copy (Onslaught): $0.35 at Card Kingdom, near mint, their price list as of .
Ixidor's Will 
Instant · Common · Onslaught · #90
Counter target spell unless its controller pays {2} for each Wizard on the battlefield.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Onslaught | 90 | Common | $0.35 | $0.99 |