Cheapest priced copy (Homelands): $3.49 at Card Kingdom, near mint, their price list as of .
Baron Sengir 
Legendary Creature — Vampire Noble · 5/5 · Rare · Homelands · #41
Flying
Whenever a creature dealt damage by Baron Sengir this turn dies, put a +2/+2 counter on Baron Sengir.
{T}: Regenerate another target Vampire.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Homelands | 41 | Rare | $3.49 | — |
| Oversized League Prizes | 37 | Rare | — | — |
2 rulings from Wizards of the Coast
- 4 October 2004The Baron’s ability will only regenerate creatures with type “Vampire,” regardless of whether the creature has “Vampire” in its name.
- 16 September 2007Although Baron Sengir is now a Vampire, it still can’t regenerate itself.