*Name: Living Artifact
Type: Enchant Artifact
Play Cost: 1 Forest
Game Text: Put a counter on target artifact for each life you lose. During your upkeep you may trade one counter for one life, but you can only trade in one counter during each of your upkeeps.
*Source: Front of card
*Name: Living Artifact
Type: Enchantment — Aura
Play Cost: 1 Forest
Game Text: Enchant artifact
Whenever you're dealt damage, put that many vitality counters on Living Artifact.
At the beginning of your upkeep, you may remove a vitality counter from Living Artifact. If you do, you gain 1 life.
*Source: gatherer.wizards.com