Staff of Life

{p/w}{p/w}: Regenerate target creature you control.

{t}: Gain life equal to the number of creatures
you control.

During your upkeep if you control artifacts named Staff of Life, Scepter of Domination, and Soul Crystal Ball, you may sacrifice all permanents you control and create Kardis, a legendary 20/20 black Avatar creature token with flying and indestructible.