Tumladen Flank-Breaker

Whenever one or more +1/+1 counters is
put onto a creature you control, Tumladen
Flank-Breaker gets +1/+1 and gains
indestructible until end of turn.
"The Gondolindrim were strong and clad in
mail, and their ranks shone like a river of
steel in the sun." -Of the Fifth Battle