Cheapest priced copy (Bloomburrow Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Llanowar Loamspeaker 
Creature — Elf Druid · 1/3 · Rare · Dominaria United · #416
{T}: Add one mana of any color.
{T}: Target land you control becomes a 3/3 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
6 printings · $0.49 to $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Bloomburrow Commander | 228 | Rare | $0.49 | — |
| Dominaria United | 170 | Rare | $0.49 | $0.49 |
| Dominaria United | 416 | Rare | $0.59 | $0.49 |
| Dominaria United | 428 | Rare | — | $0.69 |
| Dominaria United Promos | 170p | Rare | $0.69 | $3.49 |
| Dominaria United Promos | 170s | Rare | — | $0.79 |
One ruling from Wizards of the Coast
- 9 September 2022Llanowar Loamspeaker's second ability doesn't untap the land that becomes a creature.