Cheapest priced copy (Double Masters 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Bloodflow Connoisseur 
Creature — Vampire · 1/1 · Common · Avacyn Restored · #87
Sacrifice a creature: Put a +1/+1 counter on this creature.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters 2022 | 71 | Common | $0.35 | $0.49 |
| Avacyn Restored | 87 | Common | $0.35 | $1.49 |
| Ultimate Masters | 86 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 7 December 2018You can sacrifice Bloodflow Connoisseur to pay the cost for its own ability. In this case, nothing happens as the ability resolves.