Soft Lockdown

Vanishing 2 (This permanent enters the battlefield
with 2 time counters on it. At the beginning of your
upkeep, remove a time counter from it. When the last
is removed, sacrifice it.)
When Soft Lockdown enters the battlefield, exile
all nonland permanents.
When Soft Lockdown leaves the battlefield,
return all nonland permanents exiled by Soft
Lockdown to the battlefield.