Cheapest priced copy (Lorwyn): $0.39 at Card Kingdom, near mint, their price list as of .
Kithkin Mourncaller 
Creature — Kithkin Scout · 2/2 · Uncommon · Lorwyn · #224
Whenever an attacking Kithkin or Elf is put into your graveyard from the battlefield, you may draw a card.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.39 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Lorwyn | 224 | Uncommon | $0.39 | $0.79 |
One ruling from Wizards of the Coast
- 1 October 2007If an attacking creature that’s both a Kithkin and an Elf is put into your graveyard from the battlefield, Kithkin Mourncaller’s ability triggers only once.