Cheapest priced copy (Duel Decks: Elves vs. Inventors): $0.35 at Card Kingdom, near mint, their price list as of .
Nature's Way 
Sorcery · Uncommon · Duel Decks: Elves vs. Inventors · #20
Target creature you control gains vigilance and trample until end of turn. It deals damage equal to its power to target creature you don't control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elves vs. Inventors | 20 | Uncommon | $0.35 | — |
| Jumpstart | 412 | Uncommon | $0.35 | — |
| Kaladesh | 162 | Uncommon | $0.35 | $0.79 |
| The List | KLD-162 | Uncommon | $0.35 | — |
4 rulings from Wizards of the Coast
- 20 September 2016You can't cast Nature's Way unless you choose both a creature you control and a creature you don't control as targets.
- 20 September 2016If either target is an illegal target as Nature's Way resolves, no damage will be dealt.
- 20 September 2016Trample only applies to the assignment of combat damage, not the damage Nature's Way has the creature deal.
- 20 September 2016If the creature you don't control is an illegal target as Nature's Way tries to resolve, the creature you control will still gain vigilance and trample.