Cheapest priced copy (The List): $6.49 at Card Kingdom, near mint, their price list as of .
Dowsing Dagger // Lost Vale 
Artifact — Equipment // Land · Rare · Ixalan · #235
When this Equipment enters, target opponent creates two 0/2 green Plant creature tokens with defender.
Equipped creature gets +2/+1.
Whenever equipped creature deals combat damage to a player, you may transform this Equipment.
Equip {2}
(Transforms from Dowsing Dagger.)
{T}: Add three mana of any one color.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $6.49 to $16.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The List | XLN-235 | Rare | $6.49 | — |
| Ixalan Promos | 235s | Rare | — | $16.99 |
| XLN Treasure Chest | 235 | Rare | — | $9.99 |
| Ixalan | 235 | Rare | $6.99 | $11.99 |
One ruling from Wizards of the Coast
- 29 September 2017Attacking with an equipped creature doesn't cause Equipment attached to it to become tapped. Dowsing Dagger will normally be untapped when it transforms into Lost Vale.