FOILCheapest priced copy (Oath of the Gatewatch): $0.99 at Card Kingdom, near mint, their price list as of .
General Tazri 
Legendary Creature — Human Ally · 3/4 · Mythic · Oath of the Gatewatch Promos · #19s
When General Tazri enters, you may search your library for an Ally creature card, reveal it, put it into your hand, then shuffle.
{W}{U}{B}{R}{G}: Ally creatures you control get +X/+X until end of turn, where X is the number of colors among those creatures.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.99 to $18.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Oath of the Gatewatch | 19 | Mythic | $0.99 | $6.99 |
| Oath of the Gatewatch Promos | 19s | Mythic | — | $18.99Out of stock |
2 rulings from Wizards of the Coast
- 22 January 2016The last ability checks only Ally creatures you control as the ability resolves. The value of X will be between 0 and 5. Colorless is not a color.
- 22 January 2016Once the last ability resolves, the bonus given doesn’t change, even if the number of colors among your Allies does.