Cheapest priced copy (Saviors of Kamigawa): $0.35 at Card Kingdom, near mint, their price list as of .
Descendant of Kiyomaro 
Creature — Human Soldier · 2/3 · Uncommon · Saviors of Kamigawa · #7
As long as you have more cards in hand than each opponent, this creature gets +1/+2 and has "Whenever this creature deals combat damage, you gain 3 life."
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Saviors of Kamigawa | 7 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 June 2005Changing the number of cards in any player’s hand can cause Descendant of Kiyomaro to lose the life-gain triggered ability. Once an ability triggers, however, it exists independently of its source.
- 1 June 2005If any opponent has more cards or as many cards in hand as Descendant of Kiyomaro’s controller, Descendant of Kiyomaro doesn’t get any bonus.