Quote Originally Posted by Tvtyrant View Post
Ouroboros - B
Creature- Snake
At the beginning of your upkeep tap Ouroboros and put a 1/1 counter on it.
"No food was more nutritious then its own flesh."
The most directly comparable card I know is the steel overseer.
It costs 1 less than steel overseer but is coloured and works only on itself and it can not take the decision to not tap.