Drakmaw, Imperial Magister

Whenever you draw a card, put a +1/+1 counter
on Drakmaw
Whenever Drakmaw deals combat damage to a player, you may remove three +1/+1 counters from Drakmaw any number of times. For each time you do, put a +1/+1 counter on each other creature you control.
Partner (You may have two commanders as long as they both have partner.)