Cheapest priced copy (Throne of Eldraine): $0.35 at Card Kingdom, near mint, their price list as of .
Burning-Yard Trainer 
Creature — Human Knight · 3/3 · Uncommon · Throne of Eldraine · #117
Trample, haste
When this creature enters, another target Knight you control gets +2/+2 and gains trample and haste until end of turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Throne of Eldraine | 117 | Uncommon | $0.35 | $0.49 |