Bentley, the Brains

Upgrade-At the the beginning of your upkeep
place either a +1/+1 counter, deathtouch
counter, flying counter, menace counter or
trample counter on Bentley.
Modular-At the beginning of your combat phase,
you may move a counter from Bentley to any
other creature you control.
Thick as Thieves(You may have two commanders if
both have thick as thieves.)