Ashkaitsu, Clockwork Fortress

When Ashkaitsu, The Clockwork Fortress enters
the battlefield, create a three 1/1 blue Clock
creature tokens with "At the beginning of your
unkeep, put a one +1/+1 counter on this
creature". Whenever one or more counters are
put on permanent under your control, put that
many Clockwork counters on Ashkaitsu, The Clockwork Fortress.
Remove X counters from Ashkaitsu, The
Clockwork Fortress: counter target spell with converted mana cost X or less.