Equinoctial Quickening

Split second (As long as this spell is on the stack,
players can't cast spells or activate abilities that aren't
mana abilities.)
Remove a time counter from each permanent and
each suspended card. Remove a fade counter
from each permanent. Put an age counter on
each permanent that has a cumulative upkeep.
Put a season counter on each seasonal permanent.
Then you may end the turn. Exile Equinoctial Quickening.