Cheapest priced copy (March of the Machine Commander): $0.79 at Card Kingdom, near mint, their price list as of .
Rowan's Talent 
Enchantment — Aura · Rare · March of the Machine Commander · #77
Enchant planeswalker
Enchanted planeswalker has "[+1]: Up to one target creature gets +2/+0 and gains first strike and trample until end of turn."
Whenever you activate a loyalty ability of enchanted planeswalker, copy that ability. You may choose new targets for the copy.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.79 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine Commander | 77 | Rare | $0.79 | $1.49 |
| March of the Machine Commander | 85 | Rare | $1.29 | $0.79 |
2 rulings from Wizards of the Coast
- 14 April 2023Copying a loyalty ability doesn't cause any loyalty counters to be added to or removed from the enchanted planeswalker.
- 14 April 2023You can activate one loyalty ability of each planeswalker you control during each of your turns, whether that ability is one it always has or the one it gains because of Rowan's Talent.