Airbender Ascension with four or more quest counters on it, and
Sakashima of a Thousand Faces as a copy of
Avatar Kuruk).
Mana Needed
({20} magic symbol) minus ({1} magic symbol) for each creature and artifact you control each turn available.
Steps
Activate
Sakashima of a Thousand Faces using
Avatar Kuruk's ability by paying ({20} magic symbol) minus ({1} magic symbol) for each creature and/or artifact you can tap while activating it, causing you to take an extra turn after this one.
At the beginning of your end step,
Airbender Ascension triggers, blinking
Sakashima of a Thousand Faces. Choose to have it enter the battlefield as a copy of