Alime Yui Of The Blade.

Haste, Trample.
At the beginning of your end step, put a -1/-1 counter on Alime Yui Of The Blade.
If Alime Yui Of The Blade would leave the battlefield, exile it with two time counters.
At the beginning of your upkeep, remove a time counter from Alime Yui Of The Blade. Then, if there are no time counters on Alime Yui Of The Blade, return him to the battlefield, but it is a zombie in addition to it's other types.