Errant Minion - Ice Age - 68

Enchantment — Aura

Mana Cost: {2}{U}

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, that player may pay any amount of mana. This Aura deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Common · Ice Age · #68 (ICE)

Illustrated by Harold McNeill