Eon Tangler

Timeslip {3}{g}{w}{u} (When this permanent enters,
you may pay it's Timeslip cost. If you do, create a
token that's a copy of this permanent, only it has
Vanishing 2.)

When Eon Tangler enters or dies, there is an
additional beginning phase after this phase.
(The beginning phase includes the untap, upkeep, and
draw steps.)