Cheapest priced copy (Modern Masters 2017): $3.99 at Card Kingdom, near mint, their price list as of .
Olivia Voldaren 
Legendary Creature — Vampire · 3/3 · Mythic · Innistrad · #215
Flying
{1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren.
{3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
5 printings · $3.99 to $17.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Innistrad Remastered | 246 | Mythic | $4.49 | $4.49 |
| Innistrad Remastered | 490 | Mythic | $9.99 | $12.99 |
| Innistrad | 215 | Mythic | $5.49 | $17.99 |
| Modern Masters 2017 | 177 | Mythic | $3.99 | $5.99 |
| Secret Lair Drop | 1264 | Mythic | — | $8.49 |
2 rulings from Wizards of the Coast
- 14 March 2017If Olivia Voldaren deals lethal damage to a creature with its first activated ability, that creature will become a Vampire before dying.
- 14 March 2017If you activate Olivia Voldaren’s last ability, and before that ability resolves you lose control of Olivia Voldaren, the ability will resolve with no effect. You won’t gain control of the targeted Vampire.