Cheapest priced copy (Planar Chaos): $0.35 at Card Kingdom, near mint, their price list as of .
Ghost Tactician 
Creature — Spirit Spellshaper · 2/5 · Common · Planar Chaos · #6
{W}, {T}, Discard a card: Creatures you control get +1/+0 until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Planar Chaos | 6 | Common | $0.35 | $0.49 |