Cheapest priced copy (Adventures in the Forgotten Realms): $0.49 at Card Kingdom, near mint, their price list as of .
Westgate Regent 
Creature — Vampire · 4/4 · Rare · Adventures in the Forgotten Realms Promos · #126p
Flying
Ward—Discard a card. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player discards a card.)
Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.49 to $6.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 126 | Rare | $0.49 | $0.49 |
| Adventures in the Forgotten Realms | 315 | Rare | $0.49 | $0.49 |
| Adventures in the Forgotten Realms Promos | 126a | Rare | — | $6.49 |
| Adventures in the Forgotten Realms Promos | 126p | Rare | $1.49 | $1.49 |
| Adventures in the Forgotten Realms Promos | 126s | Rare | — | $1.49 |
One ruling from Wizards of the Coast
- 23 July 2021If a player casts a spell that targets multiple permanents their opponent controls with ward, each of those ward abilities will trigger. If that player doesn't pay for all of them, the spell will be countered.