Cheapest priced copy (Duel Decks: Elves vs. Goblins): $0.49 at Card Kingdom, near mint, their price list as of .
Voice of the Woods 
Creature — Elf · 2/2 · Rare · Foundations Jumpstart · #738
Tap five untapped Elves you control: Create a 7/7 green Elemental creature token with trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
6 printings · $0.49 to $7.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Elves vs. Goblins | 14 | Rare | $0.49 | — |
| Duel Decks Anthology: Elves vs. Goblins | 14 | Rare | $0.79 | — |
| Foundations Jumpstart | 738 | Rare | $0.49 | — |
| Kaldheim Commander | 78 | Rare | $0.49 | — |
| Onslaught | 297 | Rare | $0.69 | $7.99 |
| Salvat 2005 | B1 | Rare | — | — |
One ruling from Wizards of the Coast
- 4 October 2004You may tap any untapped permanents you control with the appropriate creature type (including this creature) to pay the cost of the ability, including creatures that haven't been under your control continuously since the beginning of your most recent turn.