Gnome Chronomancer

Timeslip {2}{c} (When this permanent enters, you
may pay its Timeslip cost. If you do, create a token
that's a copy of this permanent, only it has
Vanishing 2.)

At the beginning of your upkeep, if you control six
or more creatures named "Gnome Chronomancer,"
sacrifice all Gnome Chronomancer tokens you
control and take an extra turn after this one.

{t}: Scry 1.