Cheapest priced copy (Foundations Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Undead Butler 
Creature — Zombie · 1/2 · Uncommon · Innistrad: Crimson Vow · #133
When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)
When this creature dies, you may exile it. When you do, return target creature card from your graveyard to your hand.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad: Double Feature | 400 | Uncommon | $0.79 | $10.99 |
| Foundations Commander | 130 | Uncommon | $0.49 | — |
| Foundations Jumpstart | 500 | Uncommon | $0.59 | — |
| Innistrad: Crimson Vow | 133 | Uncommon | $0.59 | $1.49 |