Attacking Birds and soldiers you control get +3/+0
Vigilance, Flying
Whenever a Creature you control dies in combat, create a 1/1 bird tokne with flying. if that creatures power was 5 or higher create 3 instead
When Karl woke up, he saw the shimmering heron sit in front of him. Then he knew he was in heaven. the heron spread its wings and flew away, and Karl followed it. after some time, they landed in a magical land full of shining Birds...-Childrens Book