Kenki, Toad Rider

Trample
{g}{g}, {t}: Sacrifice a creature token you control, put a +1/+1 counter on Kenki, Toad Rider.
{5}{g}{g}: Kenki, Toad Rider gets squirrellink until end of turn. (Damage dealt by this creature also causes you to create that many 1/1 green Squirrel creature tokens.)