Hydra of Life

Reach, Defender
At the beginning of your upkeep remove all
+1/+1 counters from Hydra of Life, you gain 1
life for
each +1/+1 counters removed this way.
Then you may pay {x}, put twice of x +1/+1 on
Hydra of Life.
Hydra of Life can block x additional creatures
where x is the number of +1/+1 counters on it