Living Artifact [Unlimited Edition] Timeless where X is the number

where X is the number of +1/+1 counters on Chasm Skulker

Set: Magic Player Rewards 2004 Type: Artifact Rarity: Rare Cost: {2} At the beginning of your upkeep

Set: Gateway 2007 Type: Artifact Rarity: Rare Cost: {2} {T}: Add {C}

It operates on necessity

Set: Legends Type: Sorcery Rarity: Rare Cost: {2}{R} Flip Falling Star onto the playing area from a height of at least one foot

Living Artifact [Unlimited Edition] Timeless where X is the numberSet: Unlimited Edition Type: Enchantment Aura Rarity: Rare Cost: {G} 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.