Cheapest priced copy (World Championship Decks 2001): $0.59 at Card Kingdom, near mint, their price list as of .
Tsabo's Decree 
Instant · Rare · Invasion · #129
Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.59 to $22.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 129 | Rare | $2.79 | $22.99 |
| World Championship Decks 2001 | ar129 | Rare | $0.59 | — |