Cheapest priced copy (Commander Masters): $19.99 at Card Kingdom, near mint, their price list as of .
Spellseeker 
Creature — Human Wizard · 1/1 · Rare · Battlebond · #41
When this creature enters, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
6 printings · $19.99 to $64.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battlebond | 41 | Rare | $23.99 | $32.99 |
| Commander Masters | 120 | Mythic | $19.99 | $29.99 |
| Commander Masters | 495 | Mythic | — | — |
| Commander Masters | 635 | Mythic | $34.99 | $37.99 |
| Judge Gift Cards 2020 | 3 | Rare | — | $64.99 |
| Secret Lair Drop | 1165 | Rare | $27.99 | $29.99 |
One ruling from Wizards of the Coast
- 8 June 2018If the mana cost of a card in your library includes {X}, X is considered to be 0.