Cheapest priced copy (Archenemy): $0.35 at Card Kingdom, near mint, their price list as of .
Wickerbough Elder 
Creature — Treefolk Shaman · 4/4 · Common · Archenemy · #74
This creature enters with a -1/-1 counter on it.
{G}, Remove a -1/-1 counter from this creature: Destroy target artifact or enchantment.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
7 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Archenemy | 74 | Common | $0.35 | — |
| Commander Legends | 440 | Common | $0.35 | — |
| Lorwyn Eclipsed Commander | 118 | Common | $0.35 | — |
| Eventide | 80 | Common | $0.35 | $1.49 |
| New Capenna Commander | 320 | Common | $0.35 | — |
| The List | EVE-80 | Common | $0.35 | — |
| Ultimate Masters | 192 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 7 December 2018You must choose a target artifact or enchantment to activate Wickerbough Elder's last ability. You can't pay {G} just to remove a -1/-1 counter from it without a legal target.
- 7 December 2018If an effect puts Wickerbough Elder onto the battlefield with one or more +1/+1 counters, its -1/-1 counter and one of those +1/+1 counters are removed as a state-based action before you can activate its ability.