Cheapest priced copy (Planar Chaos): $1.29 at Card Kingdom, near mint, their price list as of .
Fatal Frenzy 
Instant · Rare · Planar Chaos · #98
Until end of turn, target creature you control gains trample and gets +X/+0, where X is its power. Sacrifice it at the beginning of the next end step.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $1.29 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Planar Chaos | 98 | Rare | $1.29 | $6.99 |
One ruling from Wizards of the Coast
- 1 February 2007If you don’t control the affected creature at end of turn, it isn’t sacrificed.