Hulk

Cumulative upkeep {r}. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Hulk gets +1/+1 for each age counter on it.
Trample; rampage 1. (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)