Festering Wound
Mana cost
Mana value2TypeEnchantment — Aura
Color identity
Black
RarityUncommon
SetUrza's Destiny (UDS)
ArtistChippy & Matthew D. Wilson
Price€0.29 · foil €1.94 · $0.29
Festering Wound 

Enchantment — Aura
Enchant creature
At the beginning of your upkeep, you may put an infection counter on this Aura.
At the beginning of the upkeep of enchanted creature's controller, this Aura deals X damage to that player, where X is the number of infection counters on this Aura.
At the beginning of your upkeep, you may put an infection counter on this Aura.
At the beginning of the upkeep of enchanted creature's controller, this Aura deals X damage to that player, where X is the number of infection counters on this Aura.
Legality
CommanderLegalStandardNot legalPioneerNot legalModernNot legalLegacyLegalVintageLegalPauperNot legalBrawlNot legalOathbreakerLegalHistoricNot legalTimelessNot legalPenny DreadfulLegal
Rulings
2004-10-04
If it is on your creature, you can decide whether to add a counter before or after it damages you.
2004-10-04
Putting on a counter is optional. If you forget, you can't go back later even if it is something you usually do.