Cheapest priced copy (Strixhaven: School of Mages): $0.49 at Card Kingdom, near mint, their price list as of .
Callous Bloodmage 
Creature — Vampire Warlock · 2/1 · Rare · Strixhaven: School of Mages Promos · #66p
When this creature enters, choose one —
• Create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."
• You draw a card and you lose 1 life.
• Exile target player's graveyard.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $1.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Strixhaven: School of Mages Promos | 66p | Rare | $0.59 | $1.99 |
| Strixhaven: School of Mages Promos | 66s | Rare | — | $1.29 |
| Strixhaven: School of Mages | 66 | Rare | $0.49 | $0.79 |
| Strixhaven: School of Mages | 302 | Rare | $0.79 | $1.49 |