Cheapest priced copy (Kaldheim): $0.35 at Card Kingdom, near mint, their price list as of .
Colossal Plow 
Artifact — Vehicle · 6/3 · Uncommon · Kaldheim · #236
Whenever this Vehicle attacks, add {W}{W}{W} and you gain 3 life. Until end of turn, you don't lose this mana as steps and phases end.
Crew 6 (Tap any number of creatures you control with total power 6 or more: This Vehicle becomes an artifact creature until end of turn.)
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Kaldheim | 236 | Uncommon | $0.35 | $0.49 |
| Neon Dynasty Commander | 148 | Uncommon | $0.35 | — |