Cockatrice [Beta Edition] World Championship Promos Set: Alpha Edition Type: Artifact

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {2} Whenever a land enters the battlefield

Note the number and kind of counters that were on that creature

Set: Tenth Edition Type: Enchantment Rarity: Rare Cost: {1}{B}{B}{B} Whenever a creature you control dies

{T}: This creature deals 1 damage to any target" and "Whenever a creature dies

sacrifice an artifact

Cockatrice [Beta Edition] World Championship Promos Set: Alpha Edition Type: ArtifactSet: Beta Edition Type: Creature Cockatrice Rarity: Rare Cost: {3}{G}{G} Flying Whenever Cockatrice blocks or becomes blocked by a non Wall creature, destroy that creature at end of combat.