Cheapest priced copy (Morningtide): $4.49 at Card Kingdom, near mint, their price list as of .
Heritage Druid 
Creature — Elf Druid · 1/1 · Rare · Secret Lair Countdown · #2008
Tap three untapped Elves you control: Add {G}{G}{G}.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $4.49 to $12.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eternal Masters | 171 | Rare | $5.49 | $9.99 |
| Morningtide | 126 | Uncommon | $4.49 | $12.99 |
| Secret Lair Countdown | 2008 | Rare | $7.99 | $8.99 |
One ruling from Wizards of the Coast
- 8 June 2016Since Heritage Druid’s activated ability doesn’t have a tap symbol in its cost, you can tap creatures that haven’t been under your control since your most recent turn began (including Heritage Druid itself) to pay the cost.