Manabarbs [International Collectors' Edition] Human Merfolk it becomes an Aura with

it becomes an Aura with "enchant creature put onto the battlefield with Necromancy

Kilnspire District deals X damage to any target

Set: Fourth Edition Type: Artifact Creature — Construct Rarity: Rare Cost: {6} Triskelion enters the battlefield with three +1/+1 counters on it

Set: Mirrodin Type: Creature — Human Cleric Rarity: Common Cost: {B} Whenever an artifact is put into a graveyard from the battlefield

Reverse Type: Creature — Human Cleric Westvale Cult Leader's power and toughness are each equal to the number of creatures you control

Manabarbs [International Collectors' Edition] Human Merfolk it becomes an Aura withSet: International Collectors' Edition Type: Enchantment Rarity: Rare Cost: {3}{R} Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.