Odo, Cunning Shapeshifter

At the beginning of your upkeep, if you control a
black permanent, you may put a +1/+1 counter
on Odo, Cunning Shapeshifter.
At the beginning of your upkeep, if you control a
green permanent, you may put a +1/+1 counter
on Odo, Cunning Shapeshifter.
Justice, as the Humans like to say, is blind.