Cheapest priced copy (Alliances): $0.35 at Card Kingdom, near mint, their price list as of .
Krovikan Plague 
Enchantment — Aura · Uncommon · Alliances · #54
Enchant non-Wall creature you control
When this Aura enters, draw a card at the beginning of the next turn's upkeep.
Tap enchanted creature: This Aura deals 1 damage to any target. Put a -0/-1 counter on enchanted creature. Activate only if enchanted creature is untapped.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Alliances | 54 | Uncommon | $0.35 | — |
One ruling from Wizards of the Coast
- 4 October 2004The Aura will be put into the graveyard if you lose control of the creature or if it somehow becomes a Wall.