Filbert, Cunning Chronomancer

Eminence —At the beginning of your upkeep on
an extra turn, if Filbert is in the command zone
or on the battlefield, draw four cards, gain 10 life
and skip the rest of that turn's steps and phases.
{4}{u}{u}, Return Filbert to the command zone, {t}: Take an extra turn after this one.
Suspend Commander X, where X is the number
of times you've cast Filbert from the command
zone — {1}{w}{u}