Festering Wound - Urza's Destiny - 61

Enchantment — Aura

Mana Cost: {1}{B}

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.

Uncommon · Urza's Destiny · #61 (UDS)

Illustrated by Chippy & Matthew D. Wilson