Kai, Hidden Survivor

When Kai, Hidden Survivor enter the battlefield,
create Zike's Echo, a legendary 5/5 colorless
Spirit artifact creature token with haste.
{x}{u}{t}: Scry x
{u}{b}{t}, Sacrifice another nontoken creature you control: exile, Kai, Hidden Survivor. Return Kai
to the battlefield at the beginning of your next
endstep.