Creature - Cockatrice 2/4, 3GG (5) Flying Whenever Cockatrice blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.1
Illus. Dan Frazier
10/4/2004: The ability destroys the creature at the end of the combat, which is after all first strike and normal damage dealing is done. This means that a creature may have to regenerate twice to survive the combat, once from damage and once again at end of combat.