Champion of the Cradle

Trample, Spontaneous 6
Champion of the Cradle can't attack as long as it
has five or more +1/+1 counters on it.
"Silent guardians sit tall
Standing guard 'til fall
When disturbed by a thief
Moves light as a leaf
To cleave away life
To protect life."
- Tribe of Endurance Nursery Rhyme