The Final Form

Defender, Multikicker {{p/g}{p/u}}
The Final Form enters with your choice of a
Hexproof, Reach, Trample, or Ascension counter
on it for each time it was kicked.
At the beginning of your upkeep, proliferate for
each ascension counter on The Final Form.
The Final Form gets +1/+1 for each counter on it.
It also loses defender and gains indestructible if it
has 20 or more counters on it.