({1} magic symbol) ({U} magic symbol) plus ({20} magic symbol) minus ({1} magic symbol) for each creature and artifact you control each turn available.
Steps
Activate
Sakashima 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.
Activate
Sakashima by paying ({1} magic symbol) ({U} magic symbol) , blinking it. Choose to have it enter the battlefield as a copy of
Avatar Kuruk.
When
Sakashima enters,
Deadeye Navigator's soulbond ability triggers, repairing it and