Avatar of Mielikki

Trample
At the beginning of combat each turn, Avatar of
Mielikki gets +X/+X until end of turn, where X
is the amount of life you gained this turn. If X is
10 or greater, place that many +1/+1 counters
on Avatar of Mielikki instead.
"Our blessed Lady of the Forest smiles upon us this
day."